The book is now available! 66600...00007 (28-digits)
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                                              66600000 0000000000 0000000007
+ The smallest non-palindromic beastly prime with a 7 at the right end. (The 2nd such prime occurs when this number's two dozen consecutive zeros are increased by one.)

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