View Single Post
Old 2006-01-04, 04:05   #4
devarajkandadai's Avatar
May 2004

22·79 Posts

Originally Posted by devarajkandadai
For the above refer to "Minimum Universal Exponent Generalisation of
Fermat's Theorem" on site:

A.K. Devaraj (
Two numerical corralaries:a) (2^x) + 29: this function of x is a multiple of
31, a Mersenne Prime , for any x ending with 1 or 6.

b) 127, another Mersene prime, is an impossible factor of this function i.e.
it cannot be a factor of (2^x) + 29, no matter how large x is.
devarajkandadai is offline   Reply With Quote