AMDave
11-01-2020, 11:09 AM
DIV Mega Prime!
On 27 October 2020, 22:38:04 UTC, PrimeGrid's Fermat Divisor Search found the Mega Prime: 29*2^7374577+1 (https://primes.utm.edu/primes/page.php?id=131360)The prime is 2,219,971 digits long and enters Chris Caldwell's “The Largest Known Primes Database” (https://primes.utm.edu/primes) ranked 73rd overall.The discovery was made by Pavel Atnashev (Pavel Atnashev (https://www.primegrid.com/show_user.php?userid=914937)) of Russia using an Intel(R) Core(TM)2 Quad CPU Q9400 @ 2.66GHz with 4GB RAM, running Microsoft Windows 7 Professional x64 Edition. This computer took about 1 hour, 49 minutes to complete the primality test using LLR2. Pavel Atnashev is a member of the Ural Federal University (https://www.primegrid.com/team_display.php?teamid=8426) team.For more details, please see the official announcement (https://www.primegrid.com/download/DIV-7374577.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=9397)
On 27 October 2020, 22:38:04 UTC, PrimeGrid's Fermat Divisor Search found the Mega Prime: 29*2^7374577+1 (https://primes.utm.edu/primes/page.php?id=131360)The prime is 2,219,971 digits long and enters Chris Caldwell's “The Largest Known Primes Database” (https://primes.utm.edu/primes) ranked 73rd overall.The discovery was made by Pavel Atnashev (Pavel Atnashev (https://www.primegrid.com/show_user.php?userid=914937)) of Russia using an Intel(R) Core(TM)2 Quad CPU Q9400 @ 2.66GHz with 4GB RAM, running Microsoft Windows 7 Professional x64 Edition. This computer took about 1 hour, 49 minutes to complete the primality test using LLR2. Pavel Atnashev is a member of the Ural Federal University (https://www.primegrid.com/team_display.php?teamid=8426) team.For more details, please see the official announcement (https://www.primegrid.com/download/DIV-7374577.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=9397)