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2 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) Every number of the form 2p-1(2p - 1), where 2p - 1 is prime, is an even perfect number.
Submitted: 1999-09-02 18:40:00; Last Modified: 2008-01-30 11:28:00.
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