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10-22-16, 06:51 AM
On 21 October 2016, 18:12:50 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime: 597*2^3322871+1 (http://primes.utm.edu/primes/page.php?id=122400) The prime is 1,000,287 digits long and will enter Chris Caldwell's The Largest Known Primes Database (https://primes.utm.edu/primes) ranked 197th overall. The discovery was made by Randall Scalise (Randall J. Scalise (https://www.primegrid.com/show_user.php?userid=8634)) of the United States using an Intel(R) Core(TM) i5-4570 CPU @ 3.20GHz with 8GB RAM, running Linux. This computer took about 1 hour 11 minutes to complete the primality test using LLR. The prime was verified on 22 October 2016 00:51:34 UTC, by Lucas Brown (LucasBrown (http://www.primegrid.com/show_user.php?userid=52589)) of the United States using an Intel(R) Core(TM) i7-6700K CPU @ 4GHz with 64GB RAM running Linux. This computer took about 46 minutes to complete the primality test using LLR. Lucas is a member of the XKCD (http://www.primegrid.com/team_display.php?teamid=2407) team. For more details, please see the official announcement (http://www.primegrid.com/download/mega-3322871.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=7077)
More... (http://www.primegrid.com/forum_thread.php?id=7077)