AMDave
12-08-2020, 02:23 PM
New 121 Mega Prime!
On 18 Nov 2020, 05:40:34 UTC, PrimeGrid’s 27121 Prime Search, through PRPNet found the mega prime:121*2^9584444+1 (http://primes.utm.edu/primes/page.php?id=131410)The prime is 2,885,208 digits long and will enter Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 60th overall. The discovery was made by James Winskill (Aeneas (https://www.primegrid.com/show_user.php?userid=50189)) of New Zealand using an Intel Xeon(R) E5-2637 v3 CPU @ 3.50GHz with 64GB RAM, running Microsoft Windows Server 2012 R2. This computer took just under 13 hours 49 minutes to complete the primality test using LLR. James Winskill is a member of the PrimeSearchTeam (https://www.primegrid.com/team_display.php?teamid=696). The prime was verified on 18 Nov 2020, 16:42:00 UTC, by an Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz with 16 GB RAM, running Linux Gentoo. This computer took a little over 1 hour 42 minutes to complete the primality test using LLR.For more details, please see the official announcement (http://www.primegrid.com/download/27121-9584444.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=9473)
On 18 Nov 2020, 05:40:34 UTC, PrimeGrid’s 27121 Prime Search, through PRPNet found the mega prime:121*2^9584444+1 (http://primes.utm.edu/primes/page.php?id=131410)The prime is 2,885,208 digits long and will enter Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 60th overall. The discovery was made by James Winskill (Aeneas (https://www.primegrid.com/show_user.php?userid=50189)) of New Zealand using an Intel Xeon(R) E5-2637 v3 CPU @ 3.50GHz with 64GB RAM, running Microsoft Windows Server 2012 R2. This computer took just under 13 hours 49 minutes to complete the primality test using LLR. James Winskill is a member of the PrimeSearchTeam (https://www.primegrid.com/team_display.php?teamid=696). The prime was verified on 18 Nov 2020, 16:42:00 UTC, by an Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz with 16 GB RAM, running Linux Gentoo. This computer took a little over 1 hour 42 minutes to complete the primality test using LLR.For more details, please see the official announcement (http://www.primegrid.com/download/27121-9584444.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=9473)