Free-DC
05-05-2017, 09:48 AM
On 3 May 2017, 19:30:03 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:555*2^3393389+1 (http://primes.utm.edu/primes/page.php?id=123342)The prime is 1,021,515 digits long and will enter Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 203rd overall. The discovery was made by Douglas B. McKay (KD7LRJ (https://www.primegrid.com/show_user.php?userid=106251)) of the United States using an Intel(R) Core(TM) i7-4790K CPU @ 4.00 GHz with 32GB RAM, running Microsoft Windows 10 Professional Edition. This computer took about 1 hour 15 minutes to complete the primality test using LLR. Douglas is a member of the Aggie The Pew (http://www.primegrid.com/team_display.php?teamid=2280) team.The prime was verified on 3 May 2017 20:11:14 UTC, by John Murphy (TheDawgz (https://www.primegrid.com/show_user.php?userid=25193)) of the United States using an Intel Virtual CPU with 1GB RAM, running Linux. This computer took about 1 hour 24 minutes to complete the primality test using LLR. John is a member of the Aggie The Pew (http://www.primegrid.com/team_display.php?teamid=2280) team.For more details, please see the official announcement (http://www.primegrid.com/download/mega-3393389.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=7431)
More... (http://www.primegrid.com/forum_thread.php?id=7431)