71

This number is a prime.

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Largest known prime p such that p^2 is a sum of distinct factorials. If there is a larger one, p^2 must be greater than 48! (about 1.24139 * 10^61). [Post]

Submitted: 2010-05-09 06:05:56; Last Modified: 2010-05-10 01:05:37.