The book is now available! 1597
(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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There exist positive values of n such that the square root of 1597n2 + 1 is an integer, but you'll need more than a hand-held calculator to find even the smallest solution.


  Submitted: 2006-12-19 17:49:57;   Last Modified: 2009-07-20 14:22:33.

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