The book is now available! 61
(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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61!*16! - 1 is prime with prime sum of digits. [Firoozbakht]


  Submitted: 2004-07-04 11:17:45;   Last Modified: 2009-08-22 12:34:45.

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