Free-DC
08-06-2014, 07:30 AM
On 17 July 2014, 2:36:47 UTC, PrimeGrid’s 27121 Prime Search, through PRPNet and in collaboration with the 12121 Search (k=27 sister project), has found the mega prime: 27*2^4542344-1 (http://primes.utm.edu/primes/page.php?id=118193) The prime is 1,367,384 digits long and enters Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 47th overall. The discovery was made by Scott Brown (Scott Brown (http://www.primegrid.com/show_user.php?userid=1178)) of the United States using an AMD Phenom(tm) II X6 1055T Processor with 4GB RAM, running Microsoft Windows 7 Enterprise. . This computer took just over 8 hours 25 minutes to complete the primality test using LLR. Scott is a member of the Duke University Team (http://www.primegrid.com/team_display.php?teamid=154). For more details, please see the official announcement (http://www.primegrid.com/download/27121-4542344.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=5842)
More... (http://www.primegrid.com/forum_thread.php?id=5842)