mersenneforum.org POST LOTS AND LOTS OF PRIMES HERE
 Register FAQ Search Today's Posts Mark Forums Read

 2014-07-10, 08:25 #1585 pb386     Nov 2003 23·163 Posts 1399*2^1762191-1 (530476 digits)
 2014-07-13, 14:20 #1586 pb386     Nov 2003 23·163 Posts 1347*2^1765384-1 (531437 digits) 1005*2^1765454-1 (531458 digits)
 2014-07-16, 17:48 #1587 amphoria     "Dave" Sep 2005 UK 23×347 Posts 4069*2^1781691-1 (536347 digits)
 2014-07-21, 07:20 #1588 Thomas11     Feb 2003 111011101002 Posts An another million digits prime for k=113: 113*2^3628034-1 (1092150 digits)
 2014-07-23, 08:25 #1589 pb386     Nov 2003 23×163 Posts 1005*2^1775235-1 (534402 digits)
 2014-07-30, 18:36 #1590 Batalov     "Serge" Mar 2008 Phi(4,2^7658614+1)/2 24C916 Posts k=37 37·26660841-1 (2,005,115 digits) (Note: This was in context of the Riesel-like-base1024 conjecture, so only n ≡ 1 (mod 10) were tested up to n=6700000.) Last fiddled with by Batalov on 2014-07-30 at 18:40
 2014-07-30, 21:12 #1591 paulunderwood     Sep 2002 Database er0rr 71208 Posts Congrats on your bi-mega It is amazing that such a prime was verified in 3.61 hours by CC @ UTM.
 2014-07-30, 22:53 #1592 Cruelty     May 2005 23×7×29 Posts Congratulations!
 2014-07-31, 02:06 #1593 VBCurtis     "Curtis" Feb 2005 Riverside, CA 13×367 Posts Serge's find is valued at 8% of RPS' entire production currently on top 5000. Congratulations!
 2014-07-31, 05:11 #1594 Batalov     "Serge" Mar 2008 Phi(4,2^7658614+1)/2 3×43×73 Posts Ah, heck. It was only luck. But: "The more I practice, the luckier I get". (Which might be one of those things that Yogi Berra also never said. The authorship is disputed, as is the case with any bon mot including "Prediction is very difficult, especially about the future") Last fiddled with by Batalov on 2014-07-31 at 05:12
2014-08-01, 08:11   #1595
pb386

Nov 2003

23·163 Posts

Quote:
 Originally Posted by Batalov 37·26660841-1 (2,005,115 digits) (Note: This was in context of the Riesel-like-base1024 conjecture, so only n ≡ 1 (mod 10) were tested up to n=6700000.)
Great prime discovery Batalov

Here's another smallish one:
1333*2^1784103-1 (537072 digits)

 Similar Threads Thread Thread Starter Forum Replies Last Post 2147483647 YAFU 3 2016-12-25 21:44 TheMawn Software 18 2014-08-16 03:54 lsoule Riesel Prime Search 1999 2010-03-17 22:33 Peter Hackman Factoring 2 2008-08-15 14:26 jasong Information & Answers 4 2007-10-04 20:40

All times are UTC. The time now is 19:17.

Fri May 7 19:17:39 UTC 2021 up 29 days, 13:58, 0 users, load averages: 2.59, 2.49, 2.46