mersenneforum.org k=22544089918041953*E(130) generates 216 known primes
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 2013-08-01, 07:39 #12 Antonio     "Antonio Key" Sep 2011 UK 32×59 Posts Reserving 600,001-610,000
 2013-08-06, 09:12 #13 robert44444uk     Jun 2003 Suva, Fiji 23×3×5×17 Posts Now 205 primes Welcome to the new searchers! I expect that Carlos Rivera will update the puzzle page within the next day or so http://www.primepuzzles.net/puzzles/puzz_006.htm In the meanwhile another prime to announce: 191? 245288 this means the mooted 200th is now 414907
 2013-08-08, 17:37 #14 robert44444uk     Jun 2003 Suva, Fiji 111111110002 Posts No more primes in the 200-250K range - this is now complete.
 2013-08-09, 14:27 #15 lsoule     Nov 2004 California 23·3·71 Posts Taking 610-612.
 2013-08-11, 15:13 #16 Antonio     "Antonio Key" Sep 2011 UK 32·59 Posts Result n=608207 is prime Code:  Primality testing 22544089918041953*3*5*11*13*19*29*37*53*59*61*67*83*101*107*131*2^608207-1 [N+1, Brillhart-Lehmer-Selfridge] Running N+1 test using discriminant 41, base 1+sqrt(41) 22544089918041953*3*5*11*13*19*29*37*53*59*61*67*83*101*107*131*2^608207-1 is prime! (1740.1047s+0.0191s)
 2013-08-12, 02:31 #17 Antonio     "Antonio Key" Sep 2011 UK 32·59 Posts Result n=608462 is prime Code:  Primality testing 22544089918041953*3*5*11*13*19*29*37*53*59*61*67*83*101*107*131*2^608462-1 [N+1, Brillhart-Lehmer-Selfridge] Running N+1 test using discriminant 47, base 1+sqrt(47) 22544089918041953*3*5*11*13*19*29*37*53*59*61*67*83*101*107*131*2^608462-1 is prime! (1657.1454s+0.0030s)
 2013-08-12, 11:18 #18 robert44444uk     Jun 2003 Suva, Fiji 204010 Posts OMG, well done Antonio...207 primes and counting. I'll take 612-614K
 2013-08-12, 15:41 #19 lsoule     Nov 2004 California 23·3·71 Posts 610-612 complete, no primes. Taking 614-620.
2013-08-12, 18:34   #20
Antonio

"Antonio Key"
Sep 2011
UK

32·59 Posts

Quote:
 Originally Posted by robert44444uk OMG, well done Antonio...207 primes and counting.
Didn't think I was going to get anything, but it's just like waiting for a bus - wait ages for one and two come together.

 2013-08-12, 18:39 #21 Lennart     "Lennart" Jun 2007 25·5·7 Posts Primality testing 22544089918041953*3*5*11*13*19*29*37*53*59*61*67*83*101*107*131*2^531133-1 [N+1, Brillhart-Lehmer-Selfridge] Running N+1 test using discriminant 7, base 1+sqrt(7) 22544089918041953*3*5*11*13*19*29*37*53*59*61*67*83*101*107*131*2^531133-1 is prime! (1873.5388s+0.0074s) Lennart
 2013-08-12, 19:06 #22 Batalov     "Serge" Mar 2008 Phi(4,2^7658614+1)/2 22·5·503 Posts I'll take 620-630, for kicks and giggles.

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