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06-16-15, 10:22 AM
On 10 May 2015, 00:56:17 UTC, PrimeGrid’s Mega Prime Search found the Mega Prime: 249*2^3486411+1 (http://primes.utm.edu/primes/page.php?id=119905) The prime is 1,049,517 digits long and enters Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 109th overall. The discovery was made by Evelyn Chew (Crackenback (http://www.primegrid.com/show_user.php?userid=299026)) of Australia using an Intel(R) Pentium(R) CPU G3220 @ 3.00GHz with 4GB RAM running Microsoft Windows 7 Enterprise. This computer took about 2 hours 37 minutes to complete the primality test using LLR. Evelyn is a member of the BOINC@AUSTRALIA (http://www.primegrid.com/team_display.php?teamid=25) team. The prime was verified on 10 May 2015, 09:36:32 UTC, by Naoki Yoshioka (oevrtaker@biomaterial (http://www.primegrid.com/show_user.php?userid=386763)) of Japan using an Intel(R) Xeon(R) CPU E5-2687W 0 @ 3.10GHz with 64GB RAM running Microsoft Windows 8.1 Enterprise. This computer took about 1 hour and 32 minutes to complete the primality test using LLR. Naoki is a member of the Doshisha University (http://www.primegrid.com/team_display.php?teamid=7764) team. For more details, please see the official announcement (http://www.primegrid.com/download/mega-3486411.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=6336)
More... (http://www.primegrid.com/forum_thread.php?id=6336)