Free-DC
12-13-2014, 03:52 PM
On 1 December 2014, 8:02:57 UTC, PrimeGrid’s Mega Prime Search found the Mega Prime: 255*2^3395661+1 (http://primes.utm.edu/primes/page.php?id=118849) The prime is 1,022,199 digits long and enters Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 107th overall. The discovery was made by John Christy (John Christy (http://www.primegrid.com/show_user.php?userid=143201)) of the United States using an Intel(R) Xeon(R) CPU E31220 @ 3.10GHz with 8GB RAM running Linux. This computer took about 1 hour 27 minutes to complete the primality test using LLR. John is a member of the USA (http://www.primegrid.com/team_display.php?teamid=111) team. The prime was verified on 3 December 2014, 21:47:43 UTC, by Scott Bedenbaugh (PixelSmasher8 (http://www.primegrid.com/show_user.php?userid=296332)) of the United States using an AMD FX(tm)-8320 Eight-Core Processor with 16 GB RAM running Microsoft Windows 7 Professional. This computer took about 4 hours and 54 minutes to complete the primality test using LLR. Scott is a member of the SEACOAST -- SouthEAst COalition of Alien Signal Trackers (http://www.primegrid.com/team_display.php?teamid=1919) team. For more details, please see the official announcement (http://www.primegrid.com/download/mega-3395661.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=6030)
More... (http://www.primegrid.com/forum_thread.php?id=6030)