The book is now available! 127665878878566721
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                                                         12766587 8878566721
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127665878878566721 is a palindromic Carmichael number and consequently psp(2). Found by Shyam Sunder Gupta, 2002. [Rivera]


  Submitted: 2018-08-21 13:02:32;   Last Modified: 2019-01-28 20:33:30.

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