The book is now available! 91111...11111 (93-digits)
(another Prime Pages' Curiosity)
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                                                   911 1111111111 1111111111
1111111111 1111111111 1111111111 1111111111 1111111111 1111111111 1111111111
+ A prime formed from 91 and 91 1's. [Silva]




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