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09-29-16, 09:48 AM
On 28 September 2016, 12:23:48 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:447*2^3533656+1 (http://primes.utm.edu/primes/page.php?id=122259)The prime is 1,063,740 digits long and will enter Chris Caldwell's The Largest Known Primes Database (https://primes.utm.edu/primes) ranked 138th overall. The discovery was made by Stefan Geiger (Steve (https://www.primegrid.com/show_user.php?userid=7216)) of Austria using an Intel(R) Core(TM) i7-6700K CPU @ 4GHz with 16GB RAM, running Windows 10. This computer took about 42 minutes to complete the primality test using LLR. Stefan is a member of the Aggie The Pew (http://www.primegrid.com/team_display.php?teamid=2280) team.The prime was verified on 29 September 2016 06:53:13 UTC, by Eric Eskam (Doc No (https://www.primegrid.com/show_user.php?userid=33689)) of the United States using an Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz with 8GB RAM running Windows 10. This computer took about 1 hour 21 minutes to complete the primality test using LLR. Eric is a member of the Heinlein Fans (http://www.primegrid.com/team_display.php?teamid=4222) team.For more details, please see the official announcement (http://www.primegrid.com/download/mega-3533656.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=7037)
More... (http://www.primegrid.com/forum_thread.php?id=7037)