POST LOTS AND LOTS OF PRIMES HERE
 

After 2000 posts in our [URL="http://www.mersenneforum.org/showthread.php?t=4938"]first prime posting thread[/URL], and more than 2300 reported primes, we are moving to a new thread.

Please post your primes here!
And happy hunting :smile:

1389*2^809811-1 (243781 digits)

2655*2^853543-1 (256946 digits)

1285*2^809975-1 (243830 digits)

1065*2^961019-1 (289299 digits)

1119*2^957013-1 (288093 digits)
1069*2^811021-1 (244145 digits)
1023*2^811532-1 (244299 digits)

1095*2^960229-1 (289061 digits)

251*2^1269198-1 (382070 digits)

[QUOTE=Beyond;209983]251*2^1269198-1 (382070 digits)[/QUOTE] Nice one! Congratulations!

I am the King of small megabit primes:

281*2^1009502-1 is prime. (303893 digits)

That makes 3 megabits under 1020k. As we say in poker, I run good.

-Curtis

7th drive
2295*2^867724-1 (261215 digits)

1239*2^815957-1 (245631 digits)

4067*2^568776-1 (171223 digits)
4063*2^569491-1 (171438 digits)

1253*2^817490-1 (246093 digits)
1137*2^817593-1 (246124 digits)
1085*2^817644-1 (246139 digits)

2185*2^764875-1 (230254 digits)
1405*2^765505-1 (230444 digits)

2093*2^765710-1 (230505 digits)

9th Drive:

29445*2^627251-1

9th Drive:

14895*2^627529-1 (188910 digits)

4039*2^571923-1 (172170 digits)

59*2^3408416-1 (1026038 digits) so far it's the smallest known megaprime :whistle:
Verification using PFGW:[code]Primality testing 59*2^3408416-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 7, base 6+sqrt(7)
Running N+1 test using discriminant 7, base 10+sqrt(7)
Special modular reduction using FFT length 224K on 59*2^3408416-1
Calling N+1 BLS with factored part 100.00% and helper 0.00% (300.00% proof)
59*2^3408416-1 is prime! (110852.6366s+0.0192s)[/code]

[QUOTE=Cruelty;211179]59*2^3408416-1 (1026038 digits) so far it's the smallest known megaprime :whistle:
Verification using PFGW:[code]Primality testing 59*2^3408416-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 7, base 6+sqrt(7)
Running N+1 test using discriminant 7, base 10+sqrt(7)
Special modular reduction using FFT length 224K on 59*2^3408416-1
Calling N+1 BLS with factored part 100.00% and helper 0.00% (300.00% proof)
59*2^3408416-1 is prime! (110852.6366s+0.0192s)[/code][/QUOTE]

Wowwwwwwwww. :bow:
Nice find, sir.
-Curtis

[QUOTE=Cruelty;211179]59*2^3408416-1 (1026038 digits) so far it's the smallest known megaprime :whistle:
Verification using PFGW:[code]Primality testing 59*2^3408416-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 7, base 6+sqrt(7)
Running N+1 test using discriminant 7, base 10+sqrt(7)
Special modular reduction using FFT length 224K on 59*2^3408416-1
Calling N+1 BLS with factored part 100.00% and helper 0.00% (300.00% proof)
59*2^3408416-1 is prime! (110852.6366s+0.0192s)[/code][/QUOTE]

Congrats! :tu:

Cruelty
 

Congrats on a great prime!

Our first mega-digit prime, new PRS record, and 27th largest prime of all times.

Thanks, and let's bring some more! :wink:

7th drive
2547*2^875780-1 (263640 digits)

1161*2^820945-1 (247133 digits)

1055*2^821562-1 (247318 digits)

4101*2^574058-1 (172813 digits)

4039*2^574667-1 (172996 digits)

1365*2^823878-1 (248016 digits)

1377*2^994905-1 (299500 digits)

7th Drive:

2655*2^871905-1 (262473 digits)

1279*2^824911-1 (248327 digits)
1231*2^824993-1 (248351 digits)

9th Drive:

23295*2^631138-1 (189996 digits)

2185*2^778805-1
2155*2^778737-1

4041*2^579490-1 (174448 digits)

1259*2^838612-1 (252451 digits)

7th drive
2547*2^901045-1 (271245 digits)

1173*2^829887-1 (249824 digits)

Another slightly lucky find from my overflow pool:
1213*2^1000099-1 (301063 digits)

1123*2^830611-1 (250042 digits)

1029*2^831068-1 (250180 digits)

4067*2^582140-1 (175246 digits)

1189*2^831423-1 (250287 digits)
1251*2^832085-1 (250486 digits)
1223*2^832298-1 (250550 digits)
1127*2^832562-1 (250630 digits)

7th Drive:
2445*2^908461-1 (273478 digits)

1273*2^915335-1 (275547 digits)

1335*2^834156-1 (251110 digits)

1019*2^1072448-1 (322843 digits)

1179*2^834631-1 (251253 digits)

4111*2^584745-1 (176030 digits)

1353*2^836022-1 (251671 digits)

4093*2^588451-1 (177146 digits)

1345*2^1000345-1 (301137 digits)

7605*2^698516-1 (210279 digits)

4075*2^591653-1 (178109 digits)

9999*2^672144-1 (202340 digits)

2835*2^930835-1 (280213 digits)

4011*2^593799-1 (178755 digits)

405*2^902328-1 (271631 digits).

-Curtis

9th Drive:

25077*2^638968-1 (192353 digits)

1189*2^848925-1 (255555 digits)

4157*2^596370-1 (179529 digits)

9th drive
11655*2^645132-1 (194209 digits)

First prime since n=345918.

227*2^1170724-1 (352426 digits)

9th Drive:

15645*2^642040-1 (193278 digits)

One more from the 9th Drive:

28605*2^640610-1 (192848 digits)

1159*2^849219-1 (255644 digits)

And another from the 9th Drive:

22785*2^642159-1 (193314 digits)

1179*2^849927-1 (255857 digits)

1087*2^1346917-1 (405466 digits)

4049*2^598628-1 (180209 digits)

I thought this one deserved a posting on it own. :smile:

67*2^2215581-1

Congratulations amphoria and pb386 on nice primes! :tu:

amphoria
 

Congrats on a nice prime, our 3rd largest, and 60th overall :smile:

1255*2^851109-1 (256213 digits)

4069*2^599733-1 (180542 digits)

1021*2^851199-1 (256240 digits)
1191*2^851687-1 (256387 digits)

9th drive
22701*2^650703-1 (195886 digits)

4189*2^600739-1 (180845 digits)

17295*2^649085-1 (195399 digits)
-Curtis

1357*2^852541-1 (256644 digits)

169*2^1243903-1 (374455 digits) 6th drive!
-Curtis

nice!

Curtis
 

Congrats! That's the first prime from the 6th Drive in 18 months, the last one was in December 2008.

[quote=Kosmaj;218297]Congrats! That's the first prime from the 6th Drive in 18 months, the last one was in December 2008.[/quote]

And another one by me - [URL="http://primes.utm.edu/primes/page.php?id=93166"]287*2^1226144-1[/URL]
I've found it in the mid-May, but reported to top5000 database just now.

What? How do you- ?????

Another from the 9th drive:
20625*2^656375-1 (197593 digits)

... and another
29445*2^656711-1 (197695 digits)

... and yet another!

18525*2^648363-1 (195181 digits)

1365*2^855238-1 (257456 digits)

9th Drive:

28665*2^648667-1 (195273 digits)

Another from the 9th:

14895*2^658676-1 (198286 digits)

1285*2^856031-1 (257695 digits)

4089*2^607412-1 (182853 digits)

Two from the 9th Drive:

21825*2^659361-1 (198492 digits)
25077*2^659402-1 (198505 digits)

4139*2^608244-1 (183104 digits)
4023*2^608632-1 (183221 digits)

4075*2^609095-1 (183360 digits)

7th Drive:

2415*2^953278-1 (286969 digits)

9th drive
28635*2^663394-1 (199706 digits)