At 08:30 AM 1/12/99 -0500, Alexey Guzeev wrote:
>
>  Ok, George's programs looks for only for factors of M(n) in form
>1) 2kn+1
>  that's clear why
>2) 1,7,17,23,31,41,47,49,71,73,79,89,97,103,113,or 119 modulo 120
>  but this is not. Why factors 120k+13 are not considered? Or 120k+19? Why 
>only those 16 reminders of 
>~30 primes below 120?

Only primes of the form 2kn+1 can divide 2^n-1.


+-----------------------------------------------------------+
| Jud McCranie   [EMAIL PROTECTED] or @camcat.com |
|                                                           |
| "We should regard the digital computer system as an       |
| instrument to assist the number theorist in investigating |
| the properties of his universe - the natural numbers."    |
|   -- D. H. Lehmer, 1974 (paraphrased)                     |
+-----------------------------------------------------------+

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