The book is now available! 84
(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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84 = prime(prime(8))+prime(prime(4)). It is the only such number. [Firoozbakht]


  Submitted: 2009-05-23 10:45:52;   Last Modified: 2009-05-23 17:28:30.

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