The book is now available! 31114073
(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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Replace any single digit of 31114073 with a 9 and the result is always prime. [Luhn]

 

  Submitted: 2001-01-30 17:08:15;   Last Modified: 2008-03-05 18:34:29.



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