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08-16-2016, 01:32 PM
On 10 August 2016, 19:21:20 UTC, PrimeGrid’s Generalized Fermat Prime Search found the Generalized Fermat mega prime:1828858^262144+1 (http://primes.utm.edu/primes/page.php?id=122018)The prime is 1,641,593 digits long and enters Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 5th for Generalized Fermat primes and 43rd overall.The discovery was made by Brook Harste (brinktastee (http://www.primegrid.com/show_user.php?userid=32401)) of the United States using an NVIDIA GeForce GTX 980 Ti in an Intel(R) Core(TM) i7-3820 CPU @ 3.60GHz with 16GB RAM, running Microsoft Windows 10 Professional. This GPU took about 17 minutes to probable prime (PRP) test with GeneferOCL4. Brook is a member of the Aggie The Pew (http://www.primegrid.com/team_display.php?teamid=2280) team.The prime was verified on 10 August 2016, 21:06:33 UTC by Frank Matillek (boss (https://www.primegrid.com/show_user.php?userid=96592)) of Germany using an NVIDIA GeForce GTX 660 Ti in an Intel(R) Core(TM)2 Quad CPU Q9400@ 2.66GHz with 4GB RAM, running Microsoft Windows 10 Professional. This GPU took about 39 minutes to probable prime (PRP) test with GeneferOCL4. Frank is a member of the SETI.Germany (http://www.primegrid.com/team_display.php?teamid=11) team.For more details, please see the official announcement (http://www.primegrid.com/download/GFN-1828858_262144.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=6966)
More... (http://www.primegrid.com/forum_thread.php?id=6966)