View Single Post
Old 2017-12-04, 07:41   #3
R. Gerbicz
R. Gerbicz's Avatar
"Robert Gerbicz"
Oct 2005

101101000102 Posts

Originally Posted by retina View Post
Just posting the exponent is enough.
No it is not enough, and what would prove that it is prp (say for base=3) or prime? Suppose that all 7+ billion people email a (different smallish) exponent then there will be roughly 20 Mersenne prime exponents in that, but we don't know which ones.
R. Gerbicz is offline   Reply With Quote