The book is now available! 49
(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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phi(49)*49^49 + 1 is prime. The reversal of 49 has the same property. [Firoozbakht]


  Submitted: 2004-11-17 00:27:20;   Last Modified: 2008-01-30 11:28:00.

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