AMDave
12-10-2014, 03:59 AM
321 Mega Prime!
On 22 November 2014, 14:46:02 UTC, PrimeGrid’s 321 Prime Search project found the mega prime: 3*2^11484018-1 (http://primes.utm.edu/primes/page.php?id=118807)The prime is 3,457,035 digits long and enters Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 12th overall. This is the largest known 321 mega prime and the largest prime found to date at PrimeGrid!The discovery was made by Serhiy Gushchak (Sergyg (http://www.primegrid.com/show_user.php?userid=39384)) of the Ukraine using an Intel(R) Core(TM) i3-2120 CPU @ 3.30GHz with 12 GB RAM running Microsoft Windows 7 Ultimate. This computer took about 27 hours and 2 minutes to complete the primality test using LLR. Serhiy is a member of the Ukraine (http://www.primegrid.com/team_display.php?teamid=343) Team.The prime was verified on 24 November 2014 11:24:03 UTC, by Thomas Schulze Curly (http://www.primegrid.com/show_user.php?userid=28605) of Germany using an Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz with 16 GB RAM running Microsoft Windows 7 Professional. This computer took about 32 hours and 56 minutes to complete the primality test using LLR. Thomas is a member of the BOINCStats (http://www.primegrid.com/team_display.php?teamid=1) Team.For more details, please see the official announcement (http://www.primegrid.com/download/321-11484018.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=6026)
On 22 November 2014, 14:46:02 UTC, PrimeGrid’s 321 Prime Search project found the mega prime: 3*2^11484018-1 (http://primes.utm.edu/primes/page.php?id=118807)The prime is 3,457,035 digits long and enters Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 12th overall. This is the largest known 321 mega prime and the largest prime found to date at PrimeGrid!The discovery was made by Serhiy Gushchak (Sergyg (http://www.primegrid.com/show_user.php?userid=39384)) of the Ukraine using an Intel(R) Core(TM) i3-2120 CPU @ 3.30GHz with 12 GB RAM running Microsoft Windows 7 Ultimate. This computer took about 27 hours and 2 minutes to complete the primality test using LLR. Serhiy is a member of the Ukraine (http://www.primegrid.com/team_display.php?teamid=343) Team.The prime was verified on 24 November 2014 11:24:03 UTC, by Thomas Schulze Curly (http://www.primegrid.com/show_user.php?userid=28605) of Germany using an Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz with 16 GB RAM running Microsoft Windows 7 Professional. This computer took about 32 hours and 56 minutes to complete the primality test using LLR. Thomas is a member of the BOINCStats (http://www.primegrid.com/team_display.php?teamid=1) Team.For more details, please see the official announcement (http://www.primegrid.com/download/321-11484018.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=6026)