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-   -   POST LOTS AND LOTS OF PRIMES HERE (https://www.mersenneforum.org/showthread.php?t=13180)

lsoule 2011-10-24 16:35

From the 10th drive
34693*2^1197131-1 (360377 digits)

pb386 2011-10-24 20:07

1255*2^1119475-1 (336999 digits)

pb386 2011-10-25 18:57

11th drive:
2181*2^750875-1 (226040 digits)
2133*2^751810-1 (226321 digits)

Thomas11 2011-10-26 07:56

11th drive:
2223*2^755688-1 (227489 digits)

pb386 2011-10-27 19:10

2583*2^693042-1 (208630 digits)
2463*2^693184-1 (208673 digits)

lsoule 2011-10-28 15:07

Got lucky on this one by starting at n=1.5M...

165*2^1521629-1 (458059 digits)

pb386 2011-10-29 08:51

11th drive:
2081*2^697374-1 (209934 digits)
2069*2^697844-1 (210076 digits)

Thomas11 2011-10-30 20:03

11th drive:
2239*2^757159-1 (227931 digits)

pb386 2011-10-31 10:19

1015*2^1122611-1 (337943 digits)

Thomas11 2011-10-31 19:57

11th drive:
2103*2^764046-1 (230005 digits)

pb386 2011-11-01 10:10

11th drive:
2253*2^761112-1 (229121 digits)
2031*2^762115-1 (229423 digits)
2047*2^762513-1 (229543 digits)

Thomas11 2011-11-01 21:24

11th drive:
2245*2^765825-1 (230540 digits)

pb386 2011-11-05 14:16

2889*2^695567-1 (209390 digits)
2877*2^695940-1 (209503 digits)

pb386 2011-11-07 13:24

1365*2^1125937-1 (338944 digits)

lsoule 2011-11-07 16:18

From the first megabit drive:
57*2^2103370-1 (633180 digits)

pb386 2011-11-09 11:50

11th drive:
2135*2^771826-1 (232347 digits)

pb386 2011-11-09 14:26

11th drive:
2207*2^772896-1 (232669 digits)

pb386 2011-11-10 09:14

1077*2^1126434-1 (339094 digits)

pb386 2011-11-11 10:06

2657*2^696194-1 (209579 digits)
2649*2^696696-1 (209730 digits)

pb386 2011-11-12 14:26

2487*2^696888-1 (209788 digits)
2479*2^696941-1 (209804 digits)
2463*2^697136-1 (209863 digits)

Thomas11 2011-11-12 15:21

11th drive:
2049*2^767267-1 (230974 digits)

amphoria 2011-11-12 16:27

11th Drive:

2253*2^777752-1 (234131 digits)

pb386 2011-11-13 13:08

1287*2^1127953-1 (339551 digits)

amphoria 2011-11-14 17:16

11th Drive:

2157*2^778801-1 (234446 digits)

lsoule 2011-11-14 23:05

11th drive:
2003*2^790102-1 (237848 digits)

amphoria 2011-11-15 06:22

11th Drive:

2067*2^779500-1 (234657 digits)

pb386 2011-11-15 09:57

1035*2^1129901-1 (340138 digits)

11th drive:
2149*2^786853-1 (236870 digits)

amphoria 2011-11-15 17:05

11th Drive:

2131*2^779893-1 (234775 digits)

pb386 2011-11-16 11:31

11th drive:
2195*2^789342-1 (237619 digits)

amphoria 2011-11-17 06:09

11th Drive:

2037*2^781436-1 (235239 digits)

lsoule 2011-11-17 18:49

From the 10th drive:
13483*2^1233619-1 (371361 digits)

amphoria 2011-11-18 17:31

11th Drive:

2043*2^792106-1 (238451 digits)

pb386 2011-11-19 14:51

2805*2^699676-1 (210627 digits)
1095*2^1130677-1 (340371 digits)

lsoule 2011-11-19 16:29

From the first megabit drive:
61*2^2134577-1 (642574 digits)

VBCurtis 2011-11-21 22:10

2145*2^861356-1 (259298 digits).

lsoule 2011-11-22 02:13

From the 10th drive:
27029*2^1240648-1 (373477 digits)

pb386 2011-11-22 10:09

1235*2^1132210-1 (340833 digits)

11th drive:
2225*2^803474-1 (241874 digits)

amphoria 2011-11-22 14:12

11th Drive:

2271*2^795514-1 (239477 digits)
2131*2^796259-1 (239702 digits)

mcduck 2011-11-23 02:51

11th drive:

2253*2^783172-1 (235762 digits)

pb386 2011-11-23 09:18

11th drive:
2011*2^803767-1 (241962 digits)
2225*2^804494-1 (242181 digits)

pb386 2011-11-24 09:25

11th drive:
2091*2^805351-1 (242439 digits)

amphoria 2011-11-24 14:08

11th Drive:

2007*2^797244-1 (239998 digits)
2113*2^797423-1 (240052 digits)
2137*2^797925-1 (240203 digits)

lsoule 2011-11-26 00:14

From k<300:
165*2^2207550-1 (664541 digits)

pb386 2011-11-26 15:56

1127*2^1133758-1 (341299 digits)

amphoria 2011-11-27 15:49

11th Drive:

2049*2^800189-1 (240885 digits)

pb386 2011-11-27 15:53

9*2^3259381-1 (981173 digits)

Thomas11 2011-11-27 16:57

[QUOTE=pb386;280094]9*2^3259381-1 (981173 digits)[/QUOTE]

Congrats on this huge prime, Peter! :w00t:
Now go for the one million digits! :smile:

Kosmaj 2011-11-27 21:59

Peter, congrats on a nice prime! Our second with more than 3M digits.
That was a good move, to test k=9 past n=3M :smile:

pb386 2011-11-28 09:40

289*2^1587151-1 (477783 digits)

pb386 2011-11-28 12:02

1065*2^1134545-1 (341536 digits)
1065*2^1135016-1 (341677 digits)
1089*2^1135049-1 (341687 digits)
1231*2^1135229-1 (341742 digits)

VBCurtis 2011-11-30 05:58

[QUOTE=pb386;280094]9*2^3259381-1 (981173 digits)[/QUOTE]

I read the low-weight update tonight, and think "man, I should just focus on one k with a bunch of cores- it would be so cool to find a mega-digit prime!"

Bam! Next thread I open and you've found a near-megadigit. This just has to be more fun than the trickle of small primes.
Nice find, sir.

amphoria 2011-12-01 19:06

7th Drive:

2925*2^1074630-1 (323500 digits)

pb386 2011-12-05 00:05

Another good weekend!

1095*2^2992587-1 (900862 digits)

VBCurtis 2011-12-05 03:08

[QUOTE=pb386;281012]Another good weekend!

1095*2^2992587-1 (900862 digits)[/QUOTE]

Wow! Did you skip to some bit-level to find big primes in this k-range?

pb386 2011-12-05 08:21

[QUOTE=VBCurtis;281023]Wow! Did you skip to some bit-level to find big primes in this k-range?[/QUOTE]

I was looking for the largest prime in the range 1000<k<1400 and n<3M. This is it!

amphoria 2011-12-06 06:18

11th Drive:

2037*2^814197-1 (245102 digits)

pb386 2011-12-06 09:23

11th drive:
2193*2^810330-1 (243937 digits)
2097*2^811170-1 (244190 digits)

VBCurtis 2011-12-06 22:19

My wishes to be like Peter are answered:
13*2^2606075-1 is prime! 784508 digits.

This is the first prime for k=13 since 233207, the longest dry spell of any k<300. I have searched since n= 1M on this k.
-Curtis

amphoria 2011-12-06 22:54

[QUOTE=VBCurtis;281311]My wishes to be like Peter are answered:
13*2^2606075-1 is prime! 784508 digits.

This is the first prime for k=13 since 233207, the longest dry spell of any k<300. I have searched since n= 1M on this k.
-Curtis[/QUOTE]

Congratulations on the prime and on persevering for so long.

pb386 2011-12-06 23:09

[QUOTE=VBCurtis;281311]My wishes to be like Peter are answered:
13*2^2606075-1 is prime! 784508 digits.

This is the first prime for k=13 since 233207, the longest dry spell of any k<300. I have searched since n= 1M on this k.
-Curtis[/QUOTE]

Nice one Curtis! Obviously worth the wait.

Kosmaj 2011-12-07 03:34

Hi Curtis,

Congrats on that great prime! :smile:

The RPS score is now over 50.15 :cool:

VBCurtis 2011-12-07 07:18

Thanks, guys. An aftershock, or perhaps an encore:
201*2^1249030-1 (375998 digits)

Both primes were found today- happened to be the two machines I check daily. When it rains..

pb386 2011-12-07 09:37

11th drive:
2253*2^812755-1 (244667 digits)

kar_bon 2011-12-07 14:42

I'm missing some notes about k=271, 279 and 285 (and perhaps others).

See found primes [url=http://primes.utm.edu/primes/page.php?id=103471]here[/url], [url=http://primes.utm.edu/primes/page.php?id=103470]here[/url] and [url=http://primes.utm.edu/primes/page.php?id=103498]here[/url].

Kosmaj 2011-12-07 15:10

Beyond is working on these three, and other available Ks in the
200 < k < 300 range.
And he just found 3 primes! :smile:
I'll post the full list shortly.

sjtjung 2011-12-07 15:15

2055*2^761537-1 is prime (229249 digits)

pb386 2011-12-08 09:25

11th drive:
2163*2^813551-1 (244907 digits)

amphoria 2011-12-09 22:42

11th Drive:

2253*2^817730-1 (246165 digits)

pb386 2011-12-12 11:33

11th drive:
2201*2^824418-1 (248178 digits)
2127*2^825414-1 (248478 digits)

amphoria 2011-12-12 18:31

11th Drive:

2049*2^819443-1 (246681 digits)

Kosmaj 2011-12-13 16:08

181*2^1250169-1 (376341 digits)

pb386 2011-12-14 20:27

1387*2^1141865-1 (343739 digits)

sjtjung 2011-12-15 07:41

2145*2^936349-1 is prime (281873 digits)

pb386 2011-12-19 18:41

1185*2^1809466-1 (544707 digits)

11th drive:
2271*2^833261-1 (250840 digits)

pb386 2011-12-20 18:08

11th drive:
2287*2^834717-1 (251279 digits)
2291*2^834838-1 (251315 digits)

Beyond 2011-12-20 22:47

I have been slack on reporting primes, the following all reported to the the top 5000 in the last few weeks.

285*2^1011134-1 (304385 digits)
271*2^1004527-1 (302396 digits)
279*2^1003356-1 (302043 digits)
9867*2^765777-1 (230526 digits)
9159*2^765464-1 (230432 digits)
9429*2^764153-1 (230037 digits)
9135*2^759248-1 (228561 digits)
9483*2^758474-1 (228328 digits)
9237*2^741081-1 (223092 digits)
9867*2^773510-1 (232854 digits)
9135*2^792578-1 (238594 digits)
9747*2^795466-1 (239464 digits)
9861*2^798765-1 (240457 digits)
9429*2^803592-1 (241910 digits)
9681*2^808098-1 (243266 digits)
9693*2^816507-1 (245798 digits)
9135*2^817799-1 (246186 digits)
9033*2^819100-1 (246578 digits)

amphoria 2011-12-20 23:20

11th Drive:

2289*2^831449-1 (250295 digits)

pb386 2011-12-21 19:36

1305*2^1809766-1 (544797 digits)

11th drive:
2149*2^835769-1 (251595 digits)
2001*2^835849-1 (251619 digits)

pb386 2011-12-21 23:05

More joy from the low weight numbers:
1087*2^2293345-1 (690369 digits)

pb386 2011-12-22 14:00

1137*2^1145161-1 (344731 digits)

and another surprise from the low weight search
1207*2^2861901-1 (861522 digits)

amphoria 2011-12-23 14:06

11th Drive:

2067*2^837256-1 (252043 digits)

Beyond 2011-12-24 15:39

95*2^1543676-1 (464695 digits)

lsoule 2011-12-27 16:03

165*2^2500130-1 (752617 digits)

VBCurtis 2011-12-28 18:18

2175*2^1076289-1 (323999 digits)
2175*2^1077285-1 (324299 digits)

Happy new year to me!
-Curtis

SaneMur 2011-12-28 19:14

[QUOTE=VBCurtis;283816]2175*2^1076289-1 (323999 digits)
2175*2^1077285-1 (324299 digits)
[/QUOTE]

Wow for such high exponents they were pretty close together. Congrats.

pb386 2011-12-28 21:29

1139*2^1147172-1 (345337 digits)

amphoria 2011-12-29 16:05

11th Drive:

2079*2^841508-1 (253323 digits)

Kosmaj 2011-12-29 23:21

7th Drive

2745*2^1080710-1 (325330 digits)

amphoria 2011-12-31 13:19

11th Drive:

2209*2^843771-1 (254004 digits)

pb386 2012-01-02 21:23

11th drive:
2269*2^850529-1 (256039 digits)
2127*2^850733-1 (256100 digits)
2217*2^851264-1 (256260 digits)

amphoria 2012-01-04 18:35

11th Drive:

2043*2^847550-1 (255142 digits)

Beyond 2012-01-04 22:41

9477*2^820342-1 (246952 digits)

Beyond 2012-01-05 22:51

9135*2^824000-1 (248053 digits)

lsoule 2012-01-06 16:19

From the first megabit drive: 69*2^2174213-1 (654506 digits)

amphoria 2012-01-06 17:58

11th Drive:

2053*2^849471-1 (255720 digits)

Beyond 2012-01-06 22:21

9729*2^826857-1 (248913 digits)

Beyond 2012-01-07 03:20

209*2^1647640-1 (495992 digits)


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