439084799

This number is a prime.

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439084799 = 11*11!-1. Curiously, p*p!-1 is prime for p = 2, 3, 5, 7, 11, ... . [Thacker]

Submitted: 2018-12-25 14:45:38;   Last Modified: 2018-12-25 19:04:44.
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