The book is now available! 656601
(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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656601 is the smallest Carmichael number n surrounded by a prime triplet (n-4, n-2, n+2 are all primes). [Yosei]

 

  Submitted: 2019-07-11 06:16:02;   Last Modified: 2019-07-11 07:33:53.



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