Free-DC
05-12-2010, 12:26 PM
PrimeGrid has found a record AP25 (Arithmetic Progression of 25 primes). This is PrimeGrid’s third AP25 and only the fourth known. It has an ending term of 38271649410634609 surpassing the old record of 37814740008933889. The finder is Keith Dale (GreenFish (http://www.primegrid.com/show_user.php?userid= 42470)) of the United States. He is a member of team SETI.USA (http://www.primegrid.com/team_display.php?teamid=189). The progression is written as 18162964758258289+3755664*23#*n for n=0..24. It was found in the AP26 Search. For more details on this find and the AP26 search, please see this forum post (http://www.primegrid.com/forum_thread.php?id=1246&nowrap=true#17904).
More... (http://www.primegrid.com/forum_thread.php?id=2484)
More... (http://www.primegrid.com/forum_thread.php?id=2484)