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Prime numbers and primality testing
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A fermat Number cannot be divided evenly by any mersenne number (except 3 ). 9 = 0 mod 3 33 = 0 mod 3 513 = 0 mod 3 ...... 2^n+1 = 0 mod 2^m-1
Message 1 of 1 ,
May 25, 2010
A fermat Number cannot be divided evenly by any mersenne number (except 3 ).
9 = 0 mod 3
33 = 0 mod 3
513 = 0 mod 3
2^n+1 = 0 mod 2^m-1
the only solution is : m = 2
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