RSS
05-30-17, 08:35 AM
On 29 May 2017, 07:16:40 UTC, PrimeGrid’s Generalized Fermat Prime Search found the Generalized Fermat mega prime:46371508^131072+1 (http://primes.utm.edu/primes/page.php?id=123405)The prime is 1,004,831 digits long and enters Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 23rd for Generalized Fermat primes and 235th overall.The discovery was made by Mike Kinney (Mektacular (https://www.primegrid.com/show_user.php?userid=441633)) of the United States using an NVIDIA GeForce GTX 950 in an Intel(R) Xeon(R) E5-2670 CPU at 2.60GHz with 64GB RAM, running Microsoft Windows 10 Professional Edition. This GPU took about 21 minutes to probable prime (PRP) test with GeneferOCL2. Mike is a member of the Crunching@EVGA (http://www.primegrid.com/team_display.php?teamid=2511) team.The prime was verified on 29 May 2017, 14:11:46 UTC by Matt Jurach (mattozan (https://www.primegrid.com/show_user.php?userid=90031)) of the United States using an NVIDIA GeForce GTX 460 in an Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz with 8GB RAM, running Microsoft Windows 7 Ultimate Edition. This GPU took about 36 minutes to probable prime (PRP) test with GeneferOCL2. Matt is a member of the Aggie The Pew (http://www.primegrid.com/team_display.php?teamid=2280) team.The PRP was confirmed prime by an Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz with 16GB RAM, running Microsoft Windows 10 Professional. This computer took about 2 hours 41 minutes to complete the primality test using LLR.For more details, please see the official announcement (http://www.primegrid.com/download/GFN-46371508_131072.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=7469)
More... (http://www.primegrid.com/forum_thread.php?id=7469)