The book is now available! 647
(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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647 equals the sum of all two-digit even semiprimes plus one. [Silva]

 

  Submitted: 2011-04-06 06:46:23;   Last Modified: 2015-02-12 15:50:44.



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