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05-01-17, 12:11 PM
On 28 April 2017, 04:22:38 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:805*2^3391818+1 (http://primes.utm.edu/primes/page.php?id=123322)The prime is 1,021,042 digits long and will enter Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 204th overall. The discovery was made by Reiner Elgetz (reiner (https://www.primegrid.com/show_user.php?userid=410433)) of Germany using an AMD Ryzen 7 1700 with 16GB RAM, running Linux. This computer took about 21 minutes to complete the primality test using LLR with 8 threads. Reiner is a member of the Planet 3DNow! (http://www.primegrid.com/team_display.php?teamid=499) team.The prime was verified on 28 April 2017 13:44:43 UTC, by William Finn (W.L.F. (https://www.primegrid.com/show_user.php?userid=33653)) of the United States using an Intel(R) Core(TM) i7-5820K CPU @ 3.30GHz with 24GB RAM running Microsoft Windows 10 Professional Edition. This computer took about 1 hour 36 minutes to complete the primality test using LLR. For more details, please see the official announcement (http://www.primegrid.com/download/mega-3391818.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=7422)
More... (http://www.primegrid.com/forum_thread.php?id=7422)