3

This number is a prime.

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The only value of p such that p and p + 2 are twin primes and p(p + 2) + p - 1 and p(p + 2) + p + 1 are also twin primes. [Opao]

Submitted: 2007-06-21 06:38:54; Last Modified: 2008-01-30 17:28:00.