1301

This number is a prime.

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The smallest quintan emirp, i.e., an emirp of form (x^5-y^5)/(x-y) for x, y primes, (case x=5, y=2). [Loungrides]

Submitted: 2011-07-31 07:00:22; Last Modified: 2018-07-22 16:25:16.