31381059607

This number is a prime.

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