The book is now available! 700561
(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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165700 is the smallest positive integer whose sum of Collatz trajectory numbers (700561) is both an anagram of itself and a prime number. [Gaydos]


  Submitted: 2019-04-14 07:48:20;   Last Modified: 2019-04-14 09:58:41.

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