281

This number is a prime.

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The first multi-digit prime n that creates two compositorial primes, i.e., primes of form n!/n# - 1 and n!/n# + 1. Note that these primes are the terms of a twin prime pair. [Loungrides]

Submitted: 2012-03-20 05:33:41;   Last Modified: 2013-05-25 09:57:30.
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