The book is now available! 691
(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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The first prime Lychrel number. Note that the first Lychrel number is the reversal of 691.


  Submitted: 2006-10-17 22:18:31;   Last Modified: 2019-02-04 12:48:33.

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