AMDave
11-18-2020, 08:39 PM
DIV Mega Prime!
On 12 November 2020, 06:43:56 UTC, PrimeGrid's Fermat Divisor Search found the Mega Prime: 45*2^7513661+1 (https://primes.utm.edu/primes/page.php?id=131399)The prime is 2,261,839 digits long and enters Chris Caldwell's “The Largest Known Primes Database” (https://primes.utm.edu/primes) ranked 73rd overall.The discovery was made by Hiroyuki Okazaki (zunewantan (https://www.primegrid.com/show_user.php?userid=277353)) of Japan using an Intel(R) Xeon(R) CPU E5-2670 0 @ 2.60GHz with 32GB RAM, running Linux 4.4.0-21-generic. This computer took about 2 hours, 6 minutes to complete the primality test using LLR. Hiroyuki Okazaki is a member of the Aggie The Pew (https://www.primegrid.com/team_display.php?teamid=2280) team.For more details, please see the official announcement (https://www.primegrid.com/download/DIV-7513661.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=9427)
On 12 November 2020, 06:43:56 UTC, PrimeGrid's Fermat Divisor Search found the Mega Prime: 45*2^7513661+1 (https://primes.utm.edu/primes/page.php?id=131399)The prime is 2,261,839 digits long and enters Chris Caldwell's “The Largest Known Primes Database” (https://primes.utm.edu/primes) ranked 73rd overall.The discovery was made by Hiroyuki Okazaki (zunewantan (https://www.primegrid.com/show_user.php?userid=277353)) of Japan using an Intel(R) Xeon(R) CPU E5-2670 0 @ 2.60GHz with 32GB RAM, running Linux 4.4.0-21-generic. This computer took about 2 hours, 6 minutes to complete the primality test using LLR. Hiroyuki Okazaki is a member of the Aggie The Pew (https://www.primegrid.com/team_display.php?teamid=2280) team.For more details, please see the official announcement (https://www.primegrid.com/download/DIV-7513661.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=9427)