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View Full Version : PrimeGrid PPS Mega Prime - September Edition!



Free-DC
09-07-2015, 09:23 PM
On 1 September 2015, 05:57:32 UTC, PrimeGrid’s Mega Prime Search found the Mega Prime: 141*2^3529287+1 (http://primes.utm.edu/primes/page.php?id=120306) The prime is 1,062,424 digits long and enters Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 108th overall. The discovery was made by Chris Hoefliger ({CurlY BracketS} (http://www.primegrid.com/show_user.php?userid=369)) of Switzerland using an Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz with 16GB RAM, running Microsoft Windows Professional 8.1. This computer took about 3 hours 9 minutes to complete the primality test using LLR. The prime was verified on 1 September 2015, 08:36:00 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) i7-4770 CPU @ 3.40GHz with 8GB RAM, running Microsoft Windows 7 Enterprise. This computer took about 1 hour and 14 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-3529287.pdf).

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