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641491 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) The prime p = 641491 is the smallest known counterexample to Masley's suggestion of how one might prove Vandiver's conjecture, i.e., show that the class number h(Q(  p + p-1)) is smaller than p. [Poo Sung]
Submitted: 2005-02-03 10:09:39; Last Modified: 2008-07-31 20:40:15.
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