Free-DC
05-12-2010, 12:26 PM
PrimeGrid has found a record AP25 (Arithmetic Progression of 25 primes). This is PrimeGrid's first AP25 and only the second known. It is the largest AP25 having an ending term of 15523154536267043 surpassing the old record of 8132758706802551. It is also the AP25 with smallest known start 2960886048458003, the previous record being 6171054912832631. The finder is BOINC@Poland's "Super Computer" (SKB@P (http://www.primegrid.com/show_user.php?userid=21185)). It is a farm of machines funded by BOINC@Poland (http://www.primegrid.com/team_display.php?teamid=2) members. The progression is written as 2960886048458003+2346233*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#14757).
More... (http://www.primegrid.com/forum_thread.php?id=2439)
More... (http://www.primegrid.com/forum_thread.php?id=2439)