1297

This number is a prime.

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The largest non-titanic prime p of form p=6^n+1, where n is any number, and the only non-titanic prime for n a composite, (case n=4). The previous three primes are for n=0, 1 and 2. [Loungrides]

Submitted: 2011-04-01 08:27:24; Last Modified: 2016-07-05 11:46:08.