Free-DC
05-12-2010, 12:26 PM
A new record AP25 (Arithmetic Progression of 25 primes) has been found. It is the largest known AP25 and the 14th discovered. It has an ending term of 178450656331295477 surpassing the previous record of 144822829106549969. The finder is Dave Sunderland (DaveSun (http://www.primegrid.com/show_user.php?userid=11850)) of the United States. The AP25 progression is written as 25300381597038677+28603610*23#*n for n=0..24. It was found in the AP26 Search by an Intel Pentium 4 3.20GHz running 32 bit Windows XP Professional. 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#21798).
More... (http://www.primegrid.com/forum_thread.php?id=2532)
More... (http://www.primegrid.com/forum_thread.php?id=2532)