The book is now available! 461
(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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461 is the only known prime such that the average number of distinct prime factors for positive integers up to itself is an integer. [Honaker]

 

  Submitted: 2018-12-21 19:16:50;   Last Modified: 2018-12-21 19:19:07.



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