Re: Mersenne: Mersennes are square free?

[Chris K. Caldwell]

At 10:29 AM 11/23/99 +0000, you wrote:
>I looked at Chris Caldwells page on Wieferich (1909)
>primes but I could not see exaclty how p^2|2^(p-1)-1 relates to
>Mersennes with square factors?  

Did you look at http://www.utm.edu/research/primes/notes/proofs/SquareMerDiv.html ?

Chris. 
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