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2017-04-10, 16:56
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#1 |
Jun 2003
Suva, Fiji
7FA16 Posts |
4e18-5e18
I've set up this thread to aid the organisation of a co-ordinated search for prime gaps that can be found in the range 4e18 to 5e18. Results have been posted in this post and in post #3.
You may use any software/ programs that you have developed (or use those posted here) as long as you can be sure that it will pick up all gaps larger than 1344 in a range that you have reserved. If you use any code posted here, and find a record, you should ensure that the program author is credited. Initially, the ranges that may be reserved were 1e15 in size as these took about 8 days to process. Subsequent improvements in the code by Robert Gerbicz have brought the processing time down to one day or less for a reasonable 4 core computer. Hence, wider ranges can be requested, but no larger than 2e16. Results from ranges reserved should be posted on this thread. The data that should be reported is as follows:
The latest code by Antonio (in Perl) is available at post #10 of this thread The latest code by R.Gerbicz as amended by Antonio and Danaj (in c) and compiled versions of the code for Windows for various architectures are both available at post #207 of this thread. Linux builds are at post #241 The final result of the search from 4000e15 to 4500e15 is shown in the following table,where A = start *e15 B = end *e15 C = responsible D = status E = records? F = largest gap G = start of largest gap Code:
A B C D E F G 4000 4001 danaj done no 1134 4000914371538151549, 4000290197657690113 & 4000231921218303377 4001 4002 robert44444uk done no 1242 4001106035412758071 4002 4003 robert44444uk done no 1130 4002781894839853067 4003 4004 Antonio done no 1130 4003724182598288207 4004 4005 robert44444uk done no 1204 4004129869379231287 & 4004826661325940613 4005 4006 robert44444uk done no 1232 4005966357285411731 4006 4007 robert44444uk done no 1260 4006252749264687617 4007 4008 Antonio done no 1146 4007797898874423877 4008 4009 robert44444uk done no 1164 4008978263729678177 4009 4010 robert44444uk done no 1140 4009361561698185481 & 4009978533727659947 4010 4011 Antonio done no 1170 4010996740169129693 4011 4012 Antonio done no 1130 4011106495010044841 4012 4013 ET_ done no 1196 4012914149323655627 4013 4014 robert44444uk done no 1240 4013752763413123747 4014 4015 robert44444uk done no 1266 4014522226608098971 4015 4016 robert44444uk done no 1188 4015206096660768829 4016 4017 robert44444uk done no 1170 4016309155359484889 4017 4018 robert44444uk done no 1214 4017956268737366597 4018 4019 Antonio done no 1158 4018825475871648881 4019 4020 Antonio done no 1260 4019828327863219897 4020 4021 Antonio done no 1128 4020702299664524741 4021 4022 Antonio done no 1218 4021691331756893023 4022 4023 Antonio done no 1214 4022854349746103717 4023 4024 Antonio done no 1202 4023615777064934459 4024 4025 Antonio done no 1242 4024200612991210559 4025 4026 robert44444uk done no 1208 4025583776431722119 4026 4027 robert44444uk done no 1212 4026469655650441421 4027 4028 robert44444uk done no 1176 4027693899770508757 4028 4029 robert44444uk done no 1174 4028038539589489363 4029 4030 robert44444uk done no 1172 4029272388524492027 4030 4031 robert44444uk done no 1150 4030270154334826837 4031 4032 robert44444uk done no 1166 4031142229474056251 4032 4033 robert44444uk done no 1210 4032500014455384187 4033 4034 robert44444uk done no 1188 4033575697554283711 4034 4035 robert44444uk done no 1168 4034823683309171983 4035 4036 ET_ done no 1210 4035571780099049857 4036 4037 ET_ done no 1216 4036856400981070267 4037 4038 robert44444uk done no 1152 4037090243599243577 4038 4039 robert44444uk done no 1282 4038714637688391187 4039 4040 robert44444uk done no 1240 4039649264655377341 4040 4041 robert44444uk done no 1200 4040628724760328037 4041 4042 robert44444uk done no 1122 4041611692870724507 4042 4043 robert44444uk done no 1136 4042076543740421213 4043 4044 robert44444uk done no 1156 4043708186618622427 4044 4045 robert44444uk done no 1306 4044506208038374597 4045 4046 robert44444uk done no 1170 4045630509511133827 4046 4047 robert44444uk done no 1128 4046849195504965799 & 4046481288649180253 4047 4048 robert44444uk done no 1260 4047841407534753811 4048 4049 robert44444uk done no 1188 4048490181444860051 4049 4050 robert44444uk done no 1148 4049021357890961831 4050 4051 robert44444uk done no 1172 4050220172716052627 4051 4052 robert44444uk done no 1274 4051526038603182527 4052 4053 robert44444uk done no 1260 4052059085828160227 4053 4054 robert44444uk done no 1292 4053867352647841601 4054 4055 robert44444uk done no 1254 4054194003778353503 4055 4056 robert44444uk done no 1174 4055488197330854047 4056 4057 robert44444uk done no 1154 4056436808875422107 4057 4058 robert44444uk done no 1264 4057178393908285753 4058 4059 robert44444uk done no 1230 4058015942758308941 4059 4060 robert44444uk done no 1262 4059183906153913127 4060 4061 robert44444uk done no 1222 4060852155432298777 4061 4062 robert44444uk done no 1220 4061783750035102601 4062 4063 robert44444uk done no 1260 4062495671010765011 4063 4064 robert44444uk done no 1230 4063504989834101857 4064 4065 robert44444uk done no 1178 4064564850217555391 4065 4066 robert44444uk done no 1208 4065338409116759681 4066 4067 robert44444uk done no 1170 4066055183541989111 4067 4068 robert44444uk done no 1170 4067475498056433313 4068 4069 robert44444uk done no 1228 4068642106516412179 4069 4070 robert44444uk done no 1194 4069157238863836967 4070 4071 ET_ done no 1166 4070929441813272767 4071 4072 ET_ done no 1238 4071050619569958131 4072 4073 robert44444uk done no 1258 4072283244362393341 4073 4074 robert44444uk done no 1186 4073506912871952463 4074 4075 robert44444uk done no 1194 4074693691048920469 4075 4076 robert44444uk done no 1170 4075481357583514607 4076 4077 robert44444uk done no 1164 4076890809806889533 4077 4078 robert44444uk done no 1238 4077712228247259179 4078 4079 robert44444uk done no 1238 4078994461583890769 4079 4080 robert44444uk done no 1206 4079568687951351163 4080 4081 ET_ done no 1204 4080282809562367489 4081 4082 ET_ done no 1260 4081275942131031923 4082 4083 mart_r done no 1248 4082641899811979303 4083 4084 mart_r done no 1182 4083971344409518049 4084 4085 mart_r done no 1248 4084719360923671711 4085 4086 pinhodecarlos done no 1248 4085808231651439019 4086 4087 pinhodecarlos done no 1156 4086714734878723021 4087 4088 pinhodecarlos done no 1238 4087282037161085891 4088 4089 pinhodecarlos done no 1180 4088300813389886311 4089 4090 pinhodecarlos done no 1170 4089486935194295359 4090 4091 pinhodecarlos done no 1240 4090551867495942271 4091 4092 pinhodecarlos done no 1198 4091638039871078503 4092 4093 pinhodecarlos done no 1210 4092991843342632499 4093 4094 pinhodecarlos done no 1226 4093100239739762417 4094 4095 pinhodecarlos done no 1170 4094379598715950337 4095 4096 pinhodecarlos done no 1160 4095296294706157649 4096 4097 pinhodecarlos done no 1158 4096758630751112251 4097 4098 pinhodecarlos done no 1130 4097195536745555243 4098 4099 pinhodecarlos done no 1188 4098929488153764919 4099 4100 pinhodecarlos done no 1236 4099206945976088951 4100 4101 Thomas11 done no 1316 4100289233352742853 4101 4102 Thomas11 done no 1240 4101884474460871009 4102 4103 Thomas11 done no 1196 4102788579186129221 4103 4104 Thomas11 done no 1272 4103766703252942997 4104 4105 Thomas11 done no 1180 4104036622052444179 4105 4106 Thomas11 done no 1368 4105079953458040849 4106 4107 Thomas11 done no 1146 4106946645995274173 4107 4108 Thomas11 done no 1200 4107245350632264179 4108 4109 Thomas11 done no 1170 4108039257340229681 4109 4110 Thomas11 done no 1166 4109770652311286327 4110 4111 Thomas11 done no 1224 4110055580245083607 4111 4112 Thomas11 done no 1242 4111936973423085571 4112 4113 Thomas11 done no 1160 4112230091217622889 & 4112543324814606491 4113 4114 Thomas11 done no 1184 4113411490091357429 4114 4115 Thomas11 done no 1128 4114347411742077793 4115 4116 Thomas11 done no 1312 4115414959273652107 4116 4117 Thomas11 done no 1146 4116524445850824251 4117 4118 Thomas11 done no 1188 4117241781817280393 4118 4119 Thomas11 done no 1288 4118712968997419029 4119 4120 Thomas11 done no 1182 4119107397697202857 & 4119294379867804147 4120 4121 Thomas11 done no 1184 4120645325151686399 4121 4122 Thomas11 done no 1132 4121870875034219887 4122 4123 Thomas11 done no 1158 4122169362334519289 4123 4124 Thomas11 done no 1198 4123546475162899051 4124 4125 Thomas11 done no 1232 4124185605651031841 4125 4126 Thomas11 done no 1272 4125122609607710969 4126 4127 Thomas11 done no 1228 4126658803888959103 4127 4128 Thomas11 done no 1182 4127637032772779641 4128 4129 Thomas11 done no 1160 4128883921231862789 4129 4130 Thomas11 done no 1220 4129641359888933843 4130 4131 Thomas11 done no 1236 4130149131094601113 4131 4132 Thomas11 done no 1178 4131983606414366243 4132 4133 Thomas11 done no 1252 4132321296601727707 4133 4134 Thomas11 done no 1268 4133768580472197581 4134 4135 Thomas11 done no 1180 4134342756975622069 4135 4136 Thomas11 done no 1194 4135948685233934773 4136 4137 Thomas11 done no 1322 4136179975357722581 4137 4138 Thomas11 done no 1214 4137136145310653777 4138 4139 Thomas11 done no 1152 4138265290485105667 4139 4140 Thomas11 done no 1198 4139428867196431453 4140 4141 Thomas11 done no 1188 4140288771981436523 4141 4142 Thomas11 done no 1180 4141741431769588189 4142 4143 Thomas11 done no 1158 4142154233980326133 4143 4144 Thomas11 done no 1182 4143392430122499811 4144 4145 Thomas11 done no 1158 4144775448109739393 4145 4146 Thomas11 done no 1170 4145871850769936159 4146 4147 Thomas11 done no 1146 4146776646388090901 4147 4148 Thomas11 done no 1180 4147525189764161167 4148 4149 Thomas11 done no 1218 4148499167567383901 4149 4150 Thomas11 done no 1192 4149225469690253989 4150 4151 Thomas11 done no 1158 4150394748491183369 4151 4152 Thomas11 done no 1218 4151313332950925429 4152 4153 Thomas11 done no 1290 4152046681574768953 4153 4154 Thomas11 done no 1216 4153951701516973591 4154 4155 Thomas11 done no 1230 4154425229925611567 4155 4156 Thomas11 done no 1176 4155730081231180301 4156 4157 Thomas11 done no 1266 4156949040055701041 4157 4158 Thomas11 done no 1158 4157420831749175101 4158 4159 Thomas11 done no 1140 4158695464181782219 4159 4160 Thomas11 done no 1210 4159212921946842871 4160 4161 Thomas11 done no 1142 4160855564170607801 4161 4162 Thomas11 done no 1380 4161256227746743067 4162 4163 Thomas11 done no 1188 4162650991648045261 4163 4164 Thomas11 done no 1140 4163851461415885439 4164 4165 Thomas11 done no 1204 4164005813345056153 4165 4166 Thomas11 done no 1202 4165268264997138737 4166 4167 Thomas11 done no 1132 4166895731083193611 4167 4168 Thomas11 done no 1200 4167562342954892237 4168 4169 Thomas11 done no 1200 4168914553292110091 4169 4170 Thomas11 done no 1126 4169922460669612393 4170 4171 Thomas11 done no 1234 4170143483650450639 4171 4172 Thomas11 done no 1110 4171138343914429271, 4171422212516359189, 4171664786200787539 & 4171829679529702439 4172 4173 Thomas11 done no 1164 4172197999825460237 4173 4174 Thomas11 done no 1128 4173639284611610651 4174 4175 Thomas11 done no 1258 4174306654709908819 4175 4176 Thomas11 done no 1210 4175204195980722601 4176 4177 Thomas11 done no 1198 4176861996398448109 4177 4178 Thomas11 done no 1186 4177103332458339433 4178 4179 Thomas11 done no 1162 4178086739677893811 4179 4180 Thomas11 done no 1158 4179953031572088851 4180 4181 Thomas11 done no 1236 4180772784476386531 4181 4182 Thomas11 done no 1140 4181755713688388989 4182 4183 Thomas11 done no 1188 4182100541518529999 4183 4184 Thomas11 done no 1220 4183066986699910637 4184 4185 Thomas11 done no 1182 4184105947076030317 4185 4186 Thomas11 done no 1140 4185221968738606721 4186 4187 Thomas11 done no 1234 4186935144258909583 4187 4188 Thomas11 done no 1140 4187053848896995261 4188 4189 Thomas11 done no 1196 4188112887548189927 4189 4190 Thomas11 done no 1238 4189208379676421609 4190 4191 Thomas11 done no 1248 4190594469897518143 4191 4192 Thomas11 done no 1178 4191718705578065759 4192 4193 Thomas11 done no 1170 4192792837363597297 4193 4194 Thomas11 done no 1184 4193061283696301363 4194 4195 Thomas11 done no 1188 4194797531040686093 4195 4196 Thomas11 done no 1224 4195035377750178967 4196 4197 Thomas11 done no 1194 4196984610243549073 4197 4198 Thomas11 done no 1224 4197007075420580873 4198 4199 Thomas11 done no 1284 4198807155367628303 4199 4200 Thomas11 done no 1164 4199307726979273439 4200 4201 Antonio done no 1134 4200104227484451619 & 4200545179471272119 4201 4202 Antonio done no 1122 4201353779928646819 4202 4203 Antonio done no 1160 4202032600494490523 4203 4204 Antonio done no 1320 4203690608946500057 4204 4205 Antonio done no 1280 4204930368915555113 4205 4206 Antonio done no 1238 4205414610539998103 4206 4207 Antonio done no 1188 4206419104174046869 4207 4208 Antonio done no 1266 4207354960418647733 4208 4209 Antonio done no 1212 4208636853184986749 4209 4210 Antonio done no 1198 4209523012084174909 4210 4211 Antonio done no 1176 4210279718438929981 4211 4212 Antonio done no 1212 4211308991831021999 4212 4213 Antonio done no 1224 4212891798760396469 4213 4214 Antonio done no 1224 4213835242980370009 4214 4215 Antonio done no 1212 4214607784623404249 4215 4216 Antonio done no 1184 4215348541272003419 4216 4217 Antonio done no 1176 4216415379215364287 4217 4218 Antonio done no 1152 4217090183575843837 4218 4219 Antonio done no 1184 4218337438815221723 4219 4220 Antonio done no 1372 4219088970046367161 4220 4221 Antonio done no 1184 4220838055436693423 4221 4222 Antonio done no 1210 4221700962773095519 4222 4223 Antonio done no 1208 4222726409250843239 4223 4224 Antonio done no 1362 4223823832453807411 4224 4225 Antonio done no 1164 4224425843133096203 4225 4226 Antonio done no 1170 4225053926112164489 4226 4227 Antonio done no 1170 4226876073947427001 4227 4228 Antonio done no 1158 4227441194988936049 4228 4229 Antonio done no 1148 4228014196181461013 4229 4230 Antonio done no 1140 4229625594916483039 & 4229738216976172319 4230 4231 Antonio done no 1192 4230717626818391281 4231 4232 Antonio done no 1200 4231004501160759401 4232 4233 Antonio done no 1218 4232569211993116991 4233 4234 Antonio done no 1260 4233986888851096361 4234 4235 Antonio done no 1152 4234273495969655681 4235 4236 Antonio done no 1176 4235854666415254901 4236 4237 Antonio done no 1256 4236530985657770621 4237 4238 Antonio done no 1330 4237481575697381743 4238 4239 Antonio done no 1306 4238963932934785987 4239 4240 Antonio done no 1194 4239006098440446269 4240 4241 Antonio done no 1220 4240724612258930333 4241 4242 Antonio done no 1258 4241565046295047843 4242 4243 Antonio done no 1200 4242350489749598393 4243 4244 Antonio done no 1210 4243542148062955873 4244 4245 Antonio done no 1212 4244016190180732571 4245 4246 Antonio done no 1232 4245596174022128729 4246 4247 Antonio done no 1154 4246928654002220909 4247 4248 Antonio done no 1202 4247784753700833959 4248 4249 Antonio done no 1216 4248846271434283567 4249 4250 Antonio done no 1178 4249275472371528089 4250 4251 Antonio done no 1240 4250414410870158841 4251 4252 Antonio done no 1200 4251337919737544803 4252 4253 Antonio done no 1220 4252743030295287839 4253 4254 Antonio done no 1440 4253027105513399527 4254 4255 Antonio done no 1176 4254560683884506581 4255 4256 Antonio done no 1158 4255392859187160013 4256 4257 Antonio done no 1216 4256659918861186381 4257 4258 Antonio done no 1242 4257232678730035271 4258 4259 Antonio done no 1186 4258149732507664927 4259 4260 Antonio done no 1200 4259355967821041467 4260 4261 Antonio done no 1136 4260173086628254361 4261 4262 Antonio done no 1204 4261502609890972783 4262 4263 Antonio done no 1232 4262045084255083679 4263 4264 Antonio done no 1226 4263188508680031677 4264 4265 Antonio done no 1270 4264032049883540521 4265 4266 Antonio done no 1260 4265563233250496249 4266 4267 Antonio done no 1170 4266748134755250719 4267 4268 Antonio done no 1230 4267533068757473569 4268 4269 Antonio done no 1216 4268651796716628151 4269 4270 Antonio done no 1180 4269718957987691581 4270 4271 Antonio done no 1232 4270321011108370661 4271 4272 Antonio done no 1194 4271166702504691967 4272 4273 Antonio done no 1278 4272523773842412013 4273 4274 Antonio done no 1234 4273509820062731299 4274 4275 Antonio done no 1212 4274923696334737709 4275 4276 Antonio done no 1210 4275855383697861949 4276 4277 Antonio done no 1232 4276939698682077719 4277 4278 Antonio done no 1264 4277010291958424143 4278 4279 Antonio done no 1142 4278811203611198549 4279 4280 Antonio done no 1288 4279980485715230899 4280 4281 Antonio done no 1278 4280120322643851781 4281 4282 Antonio done no 1230 4281727960933875437 4282 4283 Antonio done no 1198 4282717528358462959 4283 4284 Antonio done no 1204 4283650873990671289 4284 4285 Antonio done no 1158 4284689210544390523 4285 4286 Antonio done no 1200 4285926639789943867 4286 4287 Antonio done no 1110 4286405708090045699 & 4286826307449112463 4287 4288 Antonio done no 1198 4287652227904614601 4288 4289 Antonio done no 1176 4288453396401341977 4289 4290 Antonio done no 1254 4289835634738455163 4290 4291 Antonio done no 1146 4290790623360384391 4291 4292 Antonio done no 1206 4291973716213230877 4292 4293 Antonio done no 1240 4292762725104496477 4293 4294 Antonio done no 1194 4293752836757256683 4294 4295 Antonio done no 1144 4294660188655266439 4295 4296 Antonio done no 1166 4295513389087089131 4296 4297 Antonio done no 1246 4296709203595652707 4297 4298 Antonio done no 1176 4297577208368072257 4298 4299 Antonio done no 1208 4298318971757519171 4299 4300 Antonio done no 1278 4299116008248102829 & 4299266496019355659 4300 4301 danaj done no 1302 4300298859978996599 4301 4302 danaj done no 1196 4301684740656457727 4302 4303 danaj done no 1244 4302532905425635163 4303 4304 danaj done no 1230 4303094990681601617 4304 4305 danaj done no 1196 4304311094522772581 4305 4306 danaj done no 1144 4305876110720265943 4306 4307 danaj done no 1098 4306985468075926151 4307 4308 danaj done no 1192 4307172395137859029 4308 4309 danaj done no 1130 4308061210622653937 4309 4310 danaj done no 1158 4309063017285099109 4310 4311 danaj done no 1296 4310392488711802277 4311 4312 danaj done no 1216 4311572587422479473 4312 4313 danaj done no 1162 4312112623946107297 4313 4314 danaj done no 1178 4313673944752857023 4314 4315 danaj done no 1152 4314205149899941501 4315 4316 danaj done no 1248 4315568951161915633 4316 4317 danaj done no 1282 4316655789130205959 4317 4318 danaj done no 1122 4317041766613910107 4318 4319 danaj done no 1110 4318305026129124263 4319 4320 danaj done no 1144 4319426549497873543 4320 4321 danaj done no 1186 4320041154238280917 4321 4322 danaj done no 1182 4321206673274467849 4322 4323 danaj done no 1386 4322110169397191503 4323 4324 danaj done no 1128 4323733108508155801 4324 4325 danaj done no 1204 4324588344138003703 4325 4326 danaj done no 1170 4325698804769781239 4326 4327 danaj done no 1184 4326608702406417137 4327 4328 danaj done no 1238 4327849301232078719 4328 4329 danaj done no 1188 4328801625522119509 4329 4330 danaj done no 1206 4329288027866720293 4330 4331 danaj done no 1172 4330243068836236907 4331 4332 danaj done no 1292 4331821171510998059 4332 4333 danaj done no 1248 4332698691867092873 4333 4334 danaj done no 1182 4333183447953107719 4334 4335 danaj done no 1194 4334670106243976567 4335 4336 danaj done no 1206 4335728956930837957 4336 4337 danaj done no 1176 4336079374549254803 4337 4338 danaj done no 1292 4337046723971587607 4338 4339 danaj done no 1236 4338927501944725153 4339 4340 danaj done no 1170 4339107401978948803 & 4339450199177065759 4340 4341 danaj done no 1188 4340839152683377501 4341 4342 danaj done no 1250 4341964307983152029 4342 4343 danaj done no 1262 4342755993638046011 4343 4344 danaj done no 1124 4343224388098073759 4344 4345 danaj done no 1212 4344657499619679377 4345 4346 danaj done no 1176 4345151645952766021 4346 4347 danaj done no 1140 4346159859413893231 & 4346471748944179511 4347 4348 danaj done no 1182 4347087529225714747 4348 4349 danaj done no 1250 4348501356323988011 4349 4350 danaj done no 1196 4349476920722076167 4350 4351 danaj done no 1166 4350578591384346047 4351 4352 danaj done no 1176 4351340133079315963 4352 4353 danaj done no 1200 4352025169464107467 4353 4354 danaj done no 1192 4353676997365324357 4354 4355 danaj done no 1250 4354577768136469103 4355 4356 danaj done no 1174 4355409475918397359 4356 4357 danaj done no 1164 4356899502420989323 4357 4358 danaj done no 1240 4357432875524757313 4358 4359 danaj done no 1134 4358390252471933989 4359 4360 danaj done no 1174 4359590637482066557 4360 4361 danaj done no 1288 4360853005594064521 4361 4362 danaj done no 1234 4361212905138995149 4362 4363 danaj done no 1204 4362553568495000779 4363 4364 danaj done no 1322 4363420864904050949 4364 4365 danaj done no 1152 4364256799856560667 4365 4366 danaj done no 1164 4365308512012798157 4366 4367 danaj done no 1230 4366435242073202959 4367 4368 danaj done no 1274 4367697795904387739 4368 4369 danaj done no 1274 4368936426710892677 4369 4370 danaj done no 1172 4369314765315317057 4370 4371 danaj done no 1134 4370591289663137323 4371 4372 danaj done no 1160 4371040678672435421 4372 4373 danaj done no 1188 4372099246510836391 4373 4374 danaj done no 1148 4373639480770244441 4374 4375 danaj done no 1276 4374487700076690613 4375 4376 danaj done no 1262 4375849259222397431 4376 4377 danaj done no 1160 4376471937562159247 4377 4378 danaj done no 1238 4377684208761591311 4378 4379 danaj done no 1312 4378936982851756447 4379 4380 danaj done no 1140 4379032394460339067 4380 4381 danaj done no 1192 4380848277882818851 4381 4382 danaj done no 1218 4381720761763867471 4382 4383 danaj done no 1228 4382655751806774349 4383 4384 danaj done no 1164 4383631792883086397 4384 4385 danaj done no 1180 4384508388770337133 4385 4386 danaj done no 1238 4385697628470679061 4386 4387 danaj done no 1106 4386984348511126223 4387 4388 danaj done no 1156 4387597376568934237 4388 4389 danaj done no 1150 4388906127633259807 4389 4390 danaj done no 1178 4389068674138776263 4390 4391 danaj done no 1134 4390396595714261683 4391 4392 danaj done no 1238 4391322881691896819 4392 4393 danaj done no 1200 4392228319091060027 4393 4394 danaj done no 1290 4393546229501558663 4394 4395 danaj done no 1158 4394582253903230269 4395 4396 danaj done no 1182 4395331310623261829 4396 4397 danaj done no 1146 4396523055533069171 4397 4398 danaj done no 1218 4397462992761021401 4398 4399 danaj done no 1158 4398607030709882591 4399 4400 danaj done no 1134 4399900267756933447 4400 4401 Thomas11 done no 1170 4400590877408154797 4401 4402 Thomas11 done no 1270 4401169548456297013 4402 4403 Thomas11 done no 1284 4402195023349518107 4403 4404 Thomas11 done no 1246 4403177805154279381 4404 4405 Thomas11 done no 1240 4404677506719658057 4405 4406 Thomas11 done no 1194 4405441151948626199 4406 4407 Thomas11 done no 1220 4406918130360849251 4407 4408 Thomas11 done no 1226 4407573986825334197 4408 4409 Thomas11 done no 1206 4408382343218114461 4409 4410 Thomas11 done no 1216 4409198449671554377 4410 4411 Thomas11 done no 1236 4410128630599679681 4411 4412 Thomas11 done no 1150 4411489680407675797 4412 4413 Thomas11 done no 1182 4412644078601061449 4413 4414 Thomas11 done no 1178 4413077442802942853 4414 4415 Thomas11 done no 1218 4414278965637610703 4415 4416 Thomas11 done no 1186 4415777808837014857 4416 4417 Thomas11 done no 1206 4416099123281419801 4417 4418 Thomas11 done no 1190 4417596793112402609 4418 4419 Thomas11 done no 1204 4418453183868432637 4419 4420 Thomas11 done no 1226 4419842102532683663 4420 4421 Thomas11 done no 1166 4420828204654201481 4421 4422 Thomas11 done no 1202 4421832749812074659 4422 4423 Thomas11 done no 1222 4422720249799515847 4423 4424 Thomas11 done no 1186 4423739730602012551 4424 4425 Thomas11 done no 1176 4424676744021129293 4425 4426 Thomas11 done no 1166 4425122044108735397 4426 4427 Thomas11 done no 1182 4426129346919358181 4427 4428 Thomas11 done no 1130 4427205893063894351 4428 4429 Thomas11 done no 1170 4428653260395029587 4429 4430 Thomas11 done no 1276 4429665165996500263 4430 4431 Thomas11 done no 1168 4430467413476794741 4431 4432 Thomas11 done no 1146 4431307050959415043 4432 4433 Thomas11 done no 1198 4432833379121986099 4433 4434 Thomas11 done no 1170 4433034809327640821 4434 4435 Thomas11 done no 1194 4434570644851597597 4435 4436 Thomas11 done no 1204 4435377000334071487 4436 4437 Thomas11 done no 1248 4436301620447605943 4437 4438 Thomas11 done no 1176 4437456905796639533 4438 4439 Thomas11 done no 1160 4438949043917226569 4439 4440 Thomas11 done no 1160 4439767907097854687 4440 4441 Thomas11 done no 1164 4440151620301390349 4441 4442 Thomas11 done no 1230 4441279165999486793 4442 4443 Thomas11 done no 1166 4442455555473994427 4443 4444 Thomas11 done no 1206 4443502109937953353 4444 4445 Thomas11 done no 1230 4444772642924059153 4445 4446 Thomas11 done no 1174 4445811895375902817 4446 4447 Thomas11 done no 1170 4446083452145482471 4447 4448 Thomas11 done no 1196 4447554596877672521 4448 4449 Thomas11 done no 1200 4448793056732827181 4449 4450 Thomas11 done no 1226 4449778660330604213 4450 4451 Thomas11 done no 1182 4450199511741449647 4451 4452 Thomas11 done no 1158 4451411506956888283 4452 4453 Thomas11 done no 1134 4452107856330381613 4453 4454 Thomas11 done no 1258 4453532635053414433 4454 4455 Thomas11 done no 1226 4454995798455047501 4455 4456 Thomas11 done no 1260 4455993109599266813 4456 4457 Thomas11 done no 1190 4456951197670068407 4457 4458 Thomas11 done no 1362 4457902027708963871 4458 4459 Thomas11 done no 1136 4458434009126891411 4459 4460 Thomas11 done no 1352 4459397360427487997 4460 4461 Thomas11 done no 1194 4460939248805593903 4461 4462 Thomas11 done no 1266 4461533673280374683 4462 4463 Thomas11 done no 1208 4462055757661996253 4463 4464 Thomas11 done no 1180 4463110490979190447 4464 4465 Thomas11 done no 1200 4464926444767687201 4465 4466 Thomas11 done no 1210 4465584255001125211 4466 4467 Thomas11 done no 1242 4466578429343770099 4467 4468 Thomas11 done no 1148 4467080161152742421 4468 4469 Thomas11 done no 1176 4468611385132361993 4469 4470 Thomas11 done no 1180 4469814401796862717 4470 4471 pinhodecarlos done no 1248 4470994750492901941 4471 4472 pinhodecarlos done no 1284 4471708725203380429 4472 4473 pinhodecarlos done no 1206 4472766027294492133 4473 4474 pinhodecarlos done no 1298 4473136567503176021 4474 4475 pinhodecarlos done no 1150 4474667821781914297 4475 4476 pinhodecarlos done no 1198 4475105371866053803 4476 4477 pinhodecarlos done no 1200 4476297675121303849 4477 4478 pinhodecarlos done no 1240 4477070545548631399 4478 4479 pinhodecarlos done no 1174 4478502245005775263 4479 4480 pinhodecarlos done no 1302 4479305114665998697 4480 4481 pinhodecarlos done no 1350 4480897278955294741 4481 4482 pinhodecarlos done no 1196 4481866601033543237 4482 4483 pinhodecarlos done no 1164 4482723726674263099 4483 4484 pinhodecarlos done no 1182 4483904229955568959 4484 4485 pinhodecarlos done no 1164 4484039943097241537 4485 4486 pinhodecarlos done no 1208 4485745238020261571 4486 4487 pinhodecarlos done no 1248 4486902561606446591 4487 4488 pinhodecarlos done no 1152 4487743713478160657 4488 4489 pinhodecarlos done no 1210 4488515496773713219 4489 4490 pinhodecarlos done no 1230 4489732573601404289 4490 4491 pinhodecarlos done no 1190 4490685023878439027 4491 4492 pinhodecarlos done no 1254 4491399001557250319 4492 4493 pinhodecarlos done no 1174 4492048637648667079 4493 4494 pinhodecarlos done no 1206 4493851840551540413 4494 4495 pinhodecarlos done no 1230 4494412146180361751 4495 4496 pinhodecarlos done no 1182 4495015673100810997 4496 4497 pinhodecarlos done no 1190 4496739251663585279 4497 4498 pinhodecarlos done no 1260 4497120621532276471 4498 4499 pinhodecarlos done no 1204 4498613655286488319 4499 4500 pinhodecarlos done no 1126 4499344441748290831 Last fiddled with by robert44444uk on 2017-07-18 at 06:07 |
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2017-04-10, 17:02
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#2 |
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Jun 2003
Suva, Fiji
111111110102 Posts |
For those who are using perl, the following code will pick up all gaps >=1000.
Variables are in the first part of the code, and should be adjusted according to taste and ambition. $jumper and $beg must be declared as even integers. The $jumper variable is used to speed up the code. Instead of checking every gap, it will jump, in this case, 850 at each iteration and search forward for gaps of 150 or more. If it finds one, it will check back to find the previous prime. Code:
#!/usr/bin/env perl
use warnings;
use strict;
use threads;
use threads::shared;
use Math::GMPz;
use Math::BigFloat lib=>"GMP";
use Math::Prime::Util qw/:all/;
$|=1;
my $nthreads = 7;
my $beg = shift || 4_001_000_000_000_000_000;
my $end = shift || 4_002_000_000_000_000_000;
my $jumper = 850;
my $mingap = 1000;
my @results :shared;
my $start = time;
my @threads;
push @threads, threads->create('searchi', $_,$jumper,$mingap,$start) for 0 .. $nthreads-1;
$_->join() for (@threads);
while (@results) {
print shift(@results);
}
sub searchi {
my($tnum,$sn,$nth) = @_;
my $index = $tnum;
while (1) {
if ($tnum == 0 && @results) {
lock(@results);
while (@results) {
print shift(@results);
}
}
my $i = $beg+($index*$jumper);
$index += $nthreads;
last if $i > $end;
my $n = $i;
my $forwardlook = $mingap-$jumper;
my $dprev = prev_prime($n);
my $dnext = next_prime($n);
next unless $dnext>$n+$forwardlook;
my $gap = $dnext-$dprev;
next unless $gap >= $mingap;
my $littleprim = $n-$dprev;
{
lock(@results);
my $duration = time - $start;
push @results, sprintf("%d %d %d\n", $gap, $dprev, $duration);
}
}
1;
}
Last fiddled with by robert44444uk on 2017-04-11 at 06:43 Reason: Must choose an even $jumper and $beg |
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2017-04-10, 17:05
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#3 |
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Jun 2003
Suva, Fiji
7FA16 Posts |
Here are the results for 4500e15 to 5000e15:
A = start *e15 B = end *e15 C = responsible D = status E = records? F = largest gap G = start of largest gap Code:
A B C D E F G 4500 4501 Scole250 done no 1148 4500963635209128839 4501 4502 Scole250 done no 1222 4501581455850349147 4502 4503 Scole250 done no 1172 4502492046147446861 4503 4504 Scole250 done no 1230 4503194250006272591 4504 4505 Scole250 done no 1278 4504277971830869929 4505 4506 Scole250 done no 1214 4505838834179183339 4506 4507 Scole250 done no 1210 4506082717652012851 4507 4508 Scole250 done no 1198 4507290479822650321 4508 4509 Scole250 done no 1158 4508335458165001973 4509 4510 Scole250 done no 1212 4509693496632181489 & 4509198642954187757 4510 4511 henryzz done no 1150 4510551287433857893 4511 4512 henryzz done no 1142 4511792922075642737 & 4512712221084984239 4512 4513 henryzz done no 1188 4512065311767460151 4513 4514 henryzz done no 1166 4513647056235171623 4514 4515 henryzz done no 1202 4514811174055686377 4515 4516 henryzz done no 1144 4515725187106195939 4516 4517 henryzz done no 1144 4516217022669760453 4517 4518 henryzz done no 1198 4517693298169229719 4518 4519 henryzz done no 1440 4518716935346252383 4519 4520 henryzz done no 1260 4519491396249245477 4520 4521 danaj done no 1236 4520161308162038543 4521 4522 danaj done no 1168 4521931445101266793 4522 4523 danaj done no 1200 4522878315833309833 4523 4524 danaj done no 1174 4523858918206848589 4524 4525 danaj done no 1198 4524511967895143821 4525 4526 danaj done no 1220 4525917618081603179 4526 4527 danaj done no 1282 4526506033552675681 4527 4528 danaj done no 1174 4527039465093553579 4528 4529 danaj done no 1252 4528111762651342051 4529 4530 danaj done no 1230 4529815427708582239 4530 4531 danaj done no 1174 4530952547738682187 4531 4532 danaj done no 1208 4531134592129805591 4532 4533 danaj done no 1274 4532030725385455709 4533 4534 danaj done no 1140 4533051912847965341 4534 4535 danaj done no 1250 4534172933734324157 4535 4536 danaj done no 1286 4535027367371670527 4536 4537 danaj done no 1180 4536771017429390923 4537 4538 danaj done no 1200 4537872971147222159 4538 4539 danaj done no 1218 4538364725491426759 4539 4540 danaj done no 1176 4539342989200403851 4540 4541 ldesnogu done no 1216 4540814097792317827 4541 4542 ldesnogu done no 1156 4541865967262424571 4542 4543 ldesnogu done no 1154 4542293263374035843 4543 4544 ldesnogu done no 1292 4543949541317727059 4544 4545 ldesnogu done no 1336 4544946810033612391 4545 4546 ldesnogu done no 1142 4545089953679497709 & 4545213879648217277 4546 4547 ldesnogu done no 1202 4545629979832722149 4547 4548 ldesnogu done no 1218 4547392711135955011 4548 4549 ldesnogu done no 1128 4548847562271229031 4549 4550 ldesnogu done no 1220 4549723888376523557 4550 4551 ldesnogu done no 1192 4550735010504847387 4551 4552 ldesnogu done no 1308 4551036979383712241 4552 4553 ldesnogu done no 1188 4552654828275926279 4553 4554 ldesnogu done no 1158 4553410209677631443 4554 4555 ldesnogu done no 1288 4554398299249588969 4555 4556 ldesnogu done no 1200 4555976635003098737 4556 4557 ldesnogu done no 1200 4556054392177566643 4557 4558 ldesnogu done no 1138 4557638896596520069 4558 4559 ldesnogu done no 1118 4558767921713953529 4559 4560 ldesnogu done no 1122 4559206503905302927 4560 4561 Thomas11 done no 1196 4560276524109981611 4561 4562 Thomas11 done no 1142 4561004344199557559 4562 4563 Thomas11 done no 1168 4562386901088265633 4563 4564 Thomas11 done no 1242 4563185164350735089 4564 4565 Thomas11 done no 1326 4564484208564442021 4565 4566 Thomas11 done no 1224 4565140829038294237 4566 4567 Thomas11 done no 1158 4566463902921170479 4567 4568 Thomas11 done no 1200 4567778756264118323 4568 4569 Thomas11 done no 1150 4568071061427201847 4569 4570 Thomas11 done no 1230 4569014126789042201 4570 4571 Thomas11 done no 1216 4570158298167161431 4571 4572 Thomas11 done no 1144 4571163988623794539 4572 4573 Thomas11 done no 1152 4572501680856860081 4573 4574 Thomas11 done no 1200 4573792495557433549 4574 4575 Thomas11 done no 1138 4574737930810516009 4575 4576 Thomas11 done no 1162 4575929858833453459 4576 4577 Thomas11 done no 1178 4576830293876684759 4577 4578 Thomas11 done no 1208 4577529324482537873 4578 4579 Thomas11 done no 1210 4578042770111105089 4579 4580 Thomas11 done no 1210 4579045609668481891 4580 4581 Thomas11 done no 1236 4580004190163725703 4581 4582 Thomas11 done no 1194 4581127351923798479 4582 4583 Thomas11 done no 1218 4582794353103422179 4583 4584 Thomas11 done no 1214 4583263715681536913 4584 4585 Thomas11 done no 1170 4584779156263856831 4585 4586 Thomas11 done no 1152 4585841611703209639 4586 4587 Thomas11 done no 1246 4586589820950683827 4587 4588 Thomas11 done no 1150 4587409949653703113 & 4587822569709311299 4588 4589 Thomas11 done no 1200 4588278529210387667 4589 4590 Thomas11 done no 1128 4589624940904024771 4590 4591 Thomas11 done no 1216 4590577036861622167 4591 4592 Thomas11 done no 1192 4591366658493933667 4592 4593 Thomas11 done no 1202 4592647409505301427 4593 4594 Thomas11 done no 1172 4593743005633181951 4594 4595 Thomas11 done no 1260 4594036576215102481 4595 4596 Thomas11 done no 1192 4595970465918769687 4596 4597 Thomas11 done no 1176 4596411064804668481 4597 4598 Thomas11 done no 1150 4597927826098221079 4598 4599 Thomas11 done no 1250 4598793524149061147 4599 4600 Thomas11 done no 1198 4599697562643496531 4600 4601 robert44444uk done no 1292 4600047853267882349 4601 4602 robert44444uk done no 1202 4601694416273547617 4602 4603 robert44444uk done no 1262 4602516665039101937 4603 4604 robert44444uk done no 1320 4603114558016214631 4604 4605 robert44444uk done no 1252 4604651964373376947 4605 4606 robert44444uk done no 1170 4605787319270403407 4606 4607 robert44444uk done no 1430 4606937813294064947 4607 4608 robert44444uk done no 1200 4607171478051675149 4608 4609 robert44444uk done no 1324 4608127458795887833 4609 4610 robert44444uk done no 1280 4609739438630358491 4610 4611 robert44444uk done no 1144 4610243896513481689 4611 4612 robert44444uk done no 1200 4611828819881102371 4612 4613 robert44444uk done no 1214 4612162084081862759 4613 4614 robert44444uk done no 1170 4613126755466068129 4614 4615 robert44444uk done no 1256 4614257778074625851 4615 4616 robert44444uk done no 1198 4615667556589002019 4616 4617 robert44444uk done no 1196 4616435624034528167 4617 4618 robert44444uk done no 1160 4617044023735713833 4618 4619 robert44444uk done no 1166 4618618072606996187 4619 4620 robert44444uk done no 1158 4619192344018776611 4620 4621 robert44444uk done no 1256 4620986797930439621 4621 4622 robert44444uk done no 1332 4621249861055345179 4622 4623 robert44444uk done no 1150 4622684672789930881 4623 4624 robert44444uk done no 1188 4623919817379838769 4624 4625 robert44444uk done no 1218 4624013966216867021 4625 4626 robert44444uk done no 1198 4625774812558458619 4626 4627 robert44444uk done no 1204 4626042407508763993 4627 4628 robert44444uk done no 1198 4627508506896873943 4628 4629 robert44444uk done no 1292 4628212346275298957 4629 4630 robert44444uk done no 1250 4629410952798502007 4630 4631 robert44444uk done no 1222 4630718083430294917 4631 4632 robert44444uk done no 1170 4631159015135300161 4632 4633 robert44444uk done no 1164 4632766312162880699 4633 4634 robert44444uk done no 1172 4633137263751037799 4634 4635 robert44444uk done no 1186 4634885409298069021 4635 4636 robert44444uk done no 1170 4635428310682114391 4636 4637 robert44444uk done no 1136 4636950847038992717 4637 4638 robert44444uk done no 1226 4637304957168740501 4638 4639 robert44444uk done no 1168 4638601569985897021 4639 4640 robert44444uk done no 1190 4639635017934299231 4640 4641 robert44444uk done no 1168 4640481343346725741 4641 4642 robert44444uk done no 1148 4641204514344234761 & 4641652942775952269 4642 4643 robert44444uk done no 1170 4642281775512567167 4643 4644 robert44444uk done no 1154 4643138371419839969 4644 4645 robert44444uk done no 1200 4644358989675574933 4645 4646 robert44444uk done no 1198 4645637923200591943 4646 4647 robert44444uk done no 1346 4646044042396639877 4647 4648 robert44444uk done no 1230 4648774471536736843 4648 4649 robert44444uk done no 1170 4647204492475994759 4649 4650 robert44444uk done no 1284 4649868112518280123 4650 4651 robert44444uk done no 1206 4650128122265144381 4651 4652 robert44444uk done no 1140 4651674917619961871 & 4651368836721701903 4652 4653 robert44444uk done no 1238 4652222807549458181 4653 4654 robert44444uk done no 1210 4653111329491619791 4654 4655 robert44444uk done no 1232 4654199016587264357 4655 4656 mart_r done no 1208 4655399409369382823 4656 4657 mart_r done no 1180 4656557461960836391 4657 4658 mart_r done no 1188 4657229156090156209 4658 4659 mart_r done no 1168 4658627061632884339 4659 4660 mart_r done no 1128 4659979479075802159 4660 4661 mart_r done no 1216 4660114147717559593 4661 4662 mart_r done no 1146 4661408643516962807 4662 4663 mart_r done no 1278 4662694287680471243 4663 4664 mart_r done no 1230 4663386766126882483 4664 4665 mart_r done no 1272 4664821919193213229 4665 4666 mart_r done no 1144 4665248491657275727 4666 4667 mart_r done no 1280 4666328399515715861 4667 4668 mart_r done no 1248 4667458615136953049 4668 4669 mart_r done no 1226 4668750968946548531 4669 4670 mart_r done no 1162 4669827140604115051 4670 4671 mart_r done no 1200 4670232378256727507 4671 4672 mart_r done no 1224 4671555821665856143 4672 4673 mart_r done no 1148 4672657445352789149 4673 4674 mart_r done no 1200 4673004835420874651 4674 4675 mart_r done no 1208 4674019774436039813 4675 4676 mart_r done no 1142 4675789961332738301 4676 4677 mart_r done no 1166 4676441041013765603 4677 4678 mart_r done no 1216 4677558806573378317 4678 4679 mart_r done no 1168 4678894217430627913 4679 4680 mart_r done no 1186 4679200171293577597 4680 4681 mart_r done no 1264 4680580355418884419 4681 4682 mart_r done no 1202 4681200005723545211 4682 4683 mart_r done no 1198 4682049089807621173 4683 4684 mart_r done no 1122 4683161300012483851 4684 4685 mart_r done no 1182 4684493096794941877 4685 4686 mart_r done no 1234 4685557731895999867 4686 4687 mart_r done no 1192 4686955484546486971 4687 4688 mart_r done no 1144 4687224219458112313 4688 4689 mart_r done no 1210 4688112528729748537 4689 4690 mart_r done no 1242 4689521661297857387 4690 4691 mart_r done no 1234 4690787833149677107 4691 4692 mart_r done no 1210 4691894828322076651 4692 4693 mart_r done no 1200 4692576401241317023 4693 4694 mart_r done no 1184 4693445974821733769 4694 4695 mart_r done no 1158 4694390755763519729 & 4694627864973926543 4695 4696 mart_r done no 1248 4695760503130078979 4696 4697 mart_r done no 1194 4696725987381236353 4697 4698 mart_r done no 1184 4697159981424736967 4698 4699 mart_r done no 1302 4698094144383201631 4699 4700 mart_r done no 1200 4699057476748221373 4700 4701 danaj done no 1192 4700348399859588367 4701 4702 danaj done no 1200 4701939873176098661 4702 4703 danaj done no 1198 4702302679922458213 4703 4704 danaj done no 1196 4703345653565948531 4704 4705 danaj done no 1182 4704672638506128241 4705 4706 danaj done no 1218 4705500419580437443 4706 4707 danaj done no 1308 4706452766579003281 4707 4708 danaj done no 1170 4707096188735710171 4708 4709 danaj done no 1152 4708544496100267037 4709 4710 danaj done no 1374 4709939493140870509 4710 4711 danaj done no 1260 4710391266666071587 4711 4712 danaj done no 1192 4711583600310715627 4712 4713 danaj done no 1240 4712955479320536829 4713 4714 danaj done no 1308 4713856225411581673 4714 4715 danaj done no 1260 4714484841208689671 4715 4716 danaj done no 1212 4715716518009761489 4716 4717 danaj done no 1266 4716972179498331017 4717 4718 danaj done no 1186 4717871334828786457 4718 4719 danaj done no 1206 4718053544317530601 4719 4720 danaj done no 1160 4719220153467276227 4720 4721 danaj done no 1206 4720862346967035091 4721 4722 danaj done no 1260 4721139465819041323 4722 4723 danaj done no 1218 4722911503940692193 4723 4724 danaj done no 1268 4723736685140198951 4724 4725 danaj done no 1192 4724724160999316809 4725 4726 danaj done no 1344 4725029836591901519 4726 4727 danaj done no 1276 4726827575164405213 4727 4728 danaj done no 1248 4727572574106226711 4728 4729 danaj done no 1190 4728619861925933903 4729 4730 danaj done no 1290 4729969779831049681 4730 4731 danaj done no 1116 4730975274536806787 4731 4732 danaj done no 1154 4731154376151649169 4732 4733 danaj done no 1312 4732600249465863001 4733 4734 danaj done no 1190 4733043473635812947 4734 4735 danaj done no 1210 4734176406333636217 4735 4736 danaj done no 1152 4735991362830488087 4736 4737 danaj done no 1168 4736226492690199009 4737 4738 danaj done no 1206 4737339023708519887 4738 4739 danaj done no 1242 4738182549992007691 4739 4740 danaj done no 1152 4739088673490173777 4740 4741 danaj done no 1270 4740788890339922941 4741 4742 danaj done no 1212 4741988049990429661 4742 4743 danaj done no 1272 4742796531023458891 4743 4744 danaj done no 1332 4743680514279380087 4744 4745 danaj done no 1210 4744160187941730229 4745 4746 danaj done no 1192 4745562502415150257 4746 4747 danaj done 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done no 1192 4999576447953739471 Last fiddled with by robert44444uk on 2017-07-18 at 06:06 |
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2017-04-10, 18:11
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#4 |
"Vincent"
Apr 2010
Over the rainbow
1011011010112 Posts |
any line to add to get the found gap in a file?
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2017-04-10, 20:56
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#5 | |
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Jun 2003
Suva, Fiji
2·1,021 Posts |
Quote:
suitable subdirectory:\> filename.pl >> outputfilename.txt |
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2017-04-14, 09:00
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#6 |
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Jun 2003
Suva, Fiji
2·1,021 Posts |
Antonio is working on improving the Perl code and the latest version of this is approximately 300% faster than the code posted above. This means that a range of 1*10^15 can be checked on a modern 4-core computer in about 6 days.
Watch this space for a 1.0 version. |
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2017-04-15, 06:06
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#7 | |
"Antonio Key"
Sep 2011
UK
32·59 Posts |
Quote:
I have included a readme to describe it's usage as follows: Code:
Usage:
Pgap_segmented.pl threads gap start end update ratio
where:
threads: the number of threads to use
gap : minimum size of gap to report
start : of range to check
end : of range to check
update : minutes between progress updates
ratio : the fraction of 'gap' to skip forward each test
values between 0.86 & 0.90 should provide maximum throughput
example command line:
pgap_segmented.pl 7 1346 4004e15 4005e15 30
(ratio defaults to 0.86)
Progress is displayed on screen and saved to 'Pgap_segmented.txt' being
updated every 'update' minutes.
Gaps meeting the minimum requirement are displayed on screen and
saved to 'Pgap_segmented.log' as gap size followed by the initiating prime,
one result per line.
Windows Note: Redirecting the screen output to a file and then viewing using notepad
may/will cause the output to be displayed incorrectly, redirection is not necessary
as the important information is saved to the two files mentioned above.
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2017-04-15, 08:37
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#8 |
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"Antonio Key"
Sep 2011
UK
10238 Posts |
Correction
So sorry, please do not use the code given above. I zipped up the wrong version (it doesn't match the readme description for order of inputs)
I have attached the correct version here. |
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2017-04-15, 08:50
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#9 |
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"Antonio Key"
Sep 2011
UK
32·59 Posts |
Reserving 4003e15 to 4004e15
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2017-04-18, 11:10
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#10 |
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"Antonio Key"
Sep 2011
UK
32·59 Posts |
A new version of the code is now available.
Major change - you can now exit early using Ctrl-Q, the program will then stop after completing the current segment. It will also write a (Windows) batch file which can be used to continue the run from this break point. Other changes - file names have been changed (shortened), and the progress file is no longer overwritten when a new run is started. |
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2017-04-20, 18:33
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#11 |
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Jun 2003
Suva, Fiji
111111110102 Posts |
Reserving 4004e15 to 4005e15
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