2357
This number is a prime.
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The double Mersenne numbers
MMp =
2Mp - 1, (where
Mp = 2p - 1) are
primes only for p = 2, 3, 5, 7. [Beedassy]
Submitted: 2009-05-09 12:10:10; Last Modified: 2009-05-09 15:34:13.
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