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View Full Version : PrimeGrid PPS Mega Prime!



Free-DC
02-01-2016, 01:22 AM
On 25 January 2016, 11:24:35 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:251*2^3574535+1 (http://primes.utm.edu/primes/page.php?id=120932)The prime is 1,076,045 digits long and enters Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 105th overall.The discovery was made by Randall Scalise (Randall J. Scalise (http://www.primegrid.com/show_user.php?userid=8634)) of the United States using an Intel(R) Core(TM) i5-4590 CPU @ 3.30GHz with 8GB RAM, running Linux. This computer took about 1 hour 42 minutes to complete the primality test using LLR.The prime was verified on 25 January 2016, 23:32:54 UTC, by Scott Brown (Scott Brown (http://www.primegrid.com/show_user.php?userid=1178)) of the United States using an Intel(R) Core(TM) i7-4790 CPU @ 3.60GHz with 8GB RAM, running Microsoft Windows 7 Enterprise. This computer took about 59 minutes to complete the primality test using LLR. Scott is a member of the Duke University (http://www.primegrid.com/team_display.php?teamid=154) team.For more details, please see the official announcement (http://www.primegrid.com/download/mega-3574535.pdf).

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