The book is now available! 777737777777777
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                                                            77773 7777777777
+ The smallest near-repdigit prime with only prime digits whose sum of digits is a near-repdigit prime with only nonprime digits (101). [Beedassy]

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