AMDave
10-31-2020, 09:13 PM
321 Mega Prime!
On 25 October 2020, 11:30:07 UTC, PrimeGrid's 321 Search found the Mega Prime: 3*2^16408818+1 (https://primes.utm.edu/primes/page.php?id=131362)The prime is 4,939,547 digits long and enters Chris Caldwell's “The Largest Known Primes Database” (https://primes.utm.edu/primes) ranked 21st overall.The discovery was made by Dr. James Scott Brown (Scott Brown (https://www.primegrid.com/show_user.php?userid=1178)) of the United States using an Intel(R) Core(TM) i7-4770S CPU @ 3.10GHz with 8GB RAM, running Microsoft Windows 10 Enterprise x64 Edition. This computer took about 6 hours, 6 minutes to complete the primality test using LLR2. Dr. James Scott Brown 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/321-16408818.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=9396)
On 25 October 2020, 11:30:07 UTC, PrimeGrid's 321 Search found the Mega Prime: 3*2^16408818+1 (https://primes.utm.edu/primes/page.php?id=131362)The prime is 4,939,547 digits long and enters Chris Caldwell's “The Largest Known Primes Database” (https://primes.utm.edu/primes) ranked 21st overall.The discovery was made by Dr. James Scott Brown (Scott Brown (https://www.primegrid.com/show_user.php?userid=1178)) of the United States using an Intel(R) Core(TM) i7-4770S CPU @ 3.10GHz with 8GB RAM, running Microsoft Windows 10 Enterprise x64 Edition. This computer took about 6 hours, 6 minutes to complete the primality test using LLR2. Dr. James Scott Brown 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/321-16408818.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=9396)