The book is now available! 12
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

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12 is the smallest number n such that n and n! are product of distinct factorials of primes (12 = 2!3! and 12! = 2!3!11!). [Capelle]


  Submitted: 2005-06-26 07:05:38;   Last Modified: 2008-02-27 15:41:05.

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