The book is now available! 4007
(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 smallest five-digit Cyclops number (11011) is the sum of 4007 and its reverse (7004). [Gaydos]


  Submitted: 2017-12-07 00:06:48;   Last Modified: 2018-04-02 12:45:29.

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