The book is now available! 31381059607
(another Prime Pages' Curiosity)
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                                                                3 1381059607
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The only prime of form p^n-2 or p^n+2 where p is a prime digit and n a double-digit repdigit number, i.e., 31381059607=3^22-2. [Loungrides]


  Submitted: 2011-11-17 08:35:14;   Last Modified: 2011-11-17 08:36:31.

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