The book is now available! 400
(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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400 is the smallest number m such that |m^k -prime(m)| for k = 1,2,...,5 are primes. [Firoozbakht]


  Submitted: 2004-07-08 11:03:53;   Last Modified: 2008-01-30 11:28:00.

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