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Free-DC
05-12-2010, 12:26 PM
On 23 Dec 2009, PrimeGrid's PRPNet found a megabit prime: 27*2 2218064+1 The prime is 667,706 digits long and enters Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes/) ranked 56th overall. The discovery was made by Honza Cholt (Honza (http://www.primegrid.com/show_user.php?userid=352)) of the Czech Republic using a dual Intel Xeon @ 3.06GHz with 4GB RAM. This computer took 2 hours 38 minutes and 59 seconds to complete the primality test. Honza is a member of the team BOINC.SK (http://www.primegrid.com/team_display.php?teamid=133) For more details about this search, please see this forum thread (http://www.primegrid.com/forum_thread.php?id=1229).

More... (http://www.primegrid.com/forum_thread.php?id=2512)