Register FAQ Search Today's Posts Mark Forums Read

 2007-03-27, 20:43 #34 tnerual     Oct 2006 10316 Posts 22966*5^181907-1 is prime ! http://primes.utm.edu/primes/page.php?id=79853 rank: 1283
 2007-04-01, 12:37 #35 birdman2584     Nov 2006 Louisville, KY 33 Posts 193084*5^182187-1 Is Prime!
 2007-05-26, 19:24 #36 masser     Jul 2003 wear a mask 22·3·131 Posts After a long drought, birdman has found our latest prime: 47126*5^187554-1 is prime! regards, masser
 2007-07-05, 11:57 #37 masser     Jul 2003 wear a mask 110001001002 Posts 93254*5^266111+1 is prime! 181754*5^192382-1 is prime! 119098*5^193933-1 is prime! Last fiddled with by masser on 2007-07-16 at 02:23
 2007-08-05, 23:41 #38 tnerual     Oct 2006 7·37 Posts 167246*5^195250-1 is prime a new one ... i was doing the +1 since a while, i just switched 3 core to -1 one week ago and yeah a fabulous gift: a new prime: 167246*5^195250-1 is prime (around top 1250 in primelist) it's a medium weight k (535) so it will remove around 20000 k/n pair from the sr5data file let's go for a new one ! time to test : 5601.166 sec on a centrino-duo 1600Mhz
2007-08-13, 17:19   #39
tnerual

Oct 2006

7×37 Posts

one more in the spotlight ...

31738*5^196001-1 is prime

137004 digit

place 1250 in top 5000

Quote:
 LLR tests only k*2^n1 numbers, so, we will do a PRP test of 31738*5^196001-1 31738*5^196001-1 is a probable prime. Time: 4892.427 sec. Please credit George Woltman's PRP for this result! Result 31738/196001 succesfully sent to the server.
on my athlon 2500+

Last fiddled with by masser on 2007-08-14 at 17:14 Reason: We have another prime and dat file on the way... once birdman2584 checks his messages and/or result files...

 2007-08-17, 22:53 #40 masser     Jul 2003 wear a mask 22×3×131 Posts 213056*5^195968-1 213056*5^195968-1 is prime! birdman2584 must be on vacation - one of his machines found this prime on Monday and he hasn't posted it on the forum or responded to pm/email. 213056 is a fairly high weight sequence, so this find will shrink the dat file some and remove many candidates from the testing queue. Last fiddled with by masser on 2007-08-17 at 22:53
2007-08-19, 21:48   #41
tnerual

Oct 2006

1000000112 Posts

a prime a week is my new way of life

127756*5^196729-1 is prime

Quote:
 LLR tests only k*2^n1 numbers, so, we will do a PRP test of 127756*5^196729-1 Result 165452/196726 succesfully sent to the server. 127756*5^196729-1 is a probable prime. Time: 2976.169 sec. Please credit George Woltman's PRP for this result!
on one core of my athlon X2-4200EE

more than 15000 k/n pair removed from the database !

edit: place 1250 as usual !

 2007-09-15, 19:42 #42 tnerual     Oct 2006 7×37 Posts once again it's me 155056*5^199913-1 is prime about 13645 removed from dat file ... new milestone reached :almost all riesel test are done up to 200k ... (24 to go) place 1216 i think
 2007-09-24, 16:39 #43 masser     Jul 2003 wear a mask 22·3·131 Posts After a long drought on the Sierpinski side, ...rover found that 5114*5^268127+1 is prime! This was a nice find, as rover was slowly, but steadily, attacking the Sierpinski queue.
 2007-10-06, 20:41 #44 tnerual     Oct 2006 7·37 Posts Code: LLR tests only k*2^n±1 numbers, so, we will do a PRP test of 192908*5^202258-1 Result 289184/202248 succesfully sent to the server. 192908*5^202258-1 is a probable prime. Time: 5582.395 sec. Please credit George Woltman's PRP for this result! one core of a centrino duo 1600 ...

 Similar Threads Thread Thread Starter Forum Replies Last Post ewmayer Mlucas 116 2020-07-23 09:24 tServo GPU Computing 2 2018-03-27 20:38 garo GPU to 72 25 2013-03-04 10:11 fetofs GMP-ECM 1 2006-05-30 04:32 ewmayer Operazione Doppi Mersennes 22 2005-07-06 00:33

All times are UTC. The time now is 09:43.

Sun Apr 18 09:43:35 UTC 2021 up 10 days, 4:24, 0 users, load averages: 1.44, 1.48, 1.47