PDA

View Full Version : PrimeGrid PPS-Mega Prime!



Free-DC
11-28-2017, 08:21 AM
On 27 November 2017,15:53:16 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:1155*2^3446253+1 (http://primes.utm.edu/primes/page.php?id=124029)The prime is 1,037,429 digits long and will enter Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 209th 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 8 minutes to complete the primality test using LLR. The prime was verified on 27 November 2017, 16:01:56 UTC by John S. Chambers (Johnny Rotten (https://www.primegrid.com/show_user.php?userid=232869)) of the United States using an Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz with 16GB RAM, running Microsoft Windows 10. This computer took about 35 minutes to complete the primality test using multithreaded LLR. John is a member of the SETI.USA (http://www.primegrid.com/team_display.php?teamid=189) team.For more details, please see the official announcement (http://www.primegrid.com/download/mega-3446253.pdf).

More... (http://www.primegrid.com/forum_thread.php?id=7728)