Free-DC
05-12-2010, 12:26 PM
On 4 Dec 2009, PrimeGrid, in collaboration with 12121 Search, found a megabit prime: 27*2 1902689-1 The prime is 572,768 digits long and enters Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes/) ranked 76th overall. The discovery was made by Peter Kaiser (Puzzle-Peter (http://www.primegrid.com/show_user.php?userid=24128)) of Germany using a dual Intel Xeon X5472 @3.0GHz with 16GB RAM. This computer took 59 minutes and 17 seconds to complete the primality test. Peter is a member of the team SETI.Germany (http://=http://www.primegrid.com/team_display.php?teamid=11). 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=2504)
More... (http://www.primegrid.com/forum_thread.php?id=2504)