Steve Harris claimed that M89 is not prime, but it is! So his conjecture about being able to eliminate a few Mersenne candidates because the exponent is a factor of a non-prime Mersenne number won't work.
Phil Moore _________________________________________________________________________ Unsubscribe & list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers
