# 6

This number is a composite.

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The smallest number whose factorial is a product of two factorials of primes (6! = 3!5!). Note that 6 is one of these factorials, in accordance with the equation (n!)! = n!(n! - 1)! [Capelle]
Submitted: 2008-02-25 07:20:33; Last Modified: 2008-02-28 22:05:20.

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