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19 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) The index p of the largest known Mersenne prime Mp = 2p - 1 having an associated perfect number Mp*2p - 1 that is short of a prime by 1. [Beedassy]
Submitted: 2009-05-02 00:10:50; Last Modified: 2009-05-02 12:46:00.
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