View Single Post
Old 2009-01-21, 17:34   #9
J.F.'s Avatar
Jun 2008

23·32 Posts

Originally Posted by MatWur-S530113 View Post
But the real problems are M3259 and M4729
from both numbers 1 factor is known at the GIMPS-database:
M3259: 21926805872270062496819221124452121
M4729: 61944189981415866671112479477273
my proggy says: the remaining cofactors of these M-numbers are still composite.
According to Mathematica (PrimeQ) the cofactors are both prime.
Edgingtons factoredM.txt agrees, which indicates he has primality certificates.
I guess your program contains a bug...
J.F. is offline   Reply With Quote