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View Full Version : PrimeGrid: Finally, Another PPS-Mega Prime!



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06-14-17, 09:20 AM
On 13 June 2017, 10:46:25 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime: 833*2^3403765+1 (http://primes.utm.edu/primes/page.php?id=123522) The prime is 1,024,639 digits long and will enter Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 202nd overall. The discovery was made by Randall Scalise (Randall J. Scalise (https://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 21 minutes to complete the primality test using LLR. The prime was verified on 13 June 2017, 16:05:06 UTC by Michael Bowe (No_Name (https://www.primegrid.com/show_user.php?userid=487741)) of Germany using an Intel(R) Xeon(R) E3-1230 v5 CPU @ 3.40GHz with 32GB RAM, running Microsoft Windows Server 2012 R2 Foundation Edition. This computer took about 1 hour 24 minutes to complete the primality test using LLR. Michael is a member of the SETI.Germany (http://www.primegrid.com/team_display.php?teamid=11) team. For more details, please see the official announcement (http://www.primegrid.com/download/mega-3403765.pdf).

More... (http://www.primegrid.com/forum_thread.php?id=7496)