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12-29-17, 08:21 AM
On 28 December 2017, 05:55:36 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:1155*2^3455254+1 (http://primes.utm.edu/primes/page.php?id=124096)The prime is 1,040,139 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 Josh Closs (Josh Closs (https://www.primegrid.com/show_user.php?userid=946875)) of the United States using an Intel(R) Core(TM) i5-6400 CPU @ 2.70GHz with 16GB RAM, running Microsoft Windows 10 Core Edition. This computer took about 57 minutes to complete the primality test using LLR. Josh is a member of the Crunch Squad (http://www.primegrid.com/team_display.php?teamid=8260) team.The prime was verified on 29 December 2017, 12:08:17 UTC by Howard Gordon ([PST]Howard (https://www.primegrid.com/show_user.php?userid=105)) of the United Kingdom using an AMD Ryzen 7 1800X CPU with 16GB RAM, running Microsoft Windows 10 Core Edition. This computer took about 1 hour 30 minutes to complete the primality test using LLR. Howard is a member of the PrimeSearchTeam (http://www.primegrid.com/team_display.php?teamid=696) team.For more details, please see the official announcement (http://www.primegrid.com/download/mega-3455254.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=7781)
More... (http://www.primegrid.com/forum_thread.php?id=7781)