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31 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) (2^31-1)/(2-1) and (2^31+1)/(2+1) are both prime numbers. [Dobb]
Submitted: 2002-04-15 22:39:44; Last Modified: 2008-01-30 11:28:00.
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