The book is now available! 5111111111111119
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                                                           511111 1111111119
+ The smallest prime formed by inserting between two different digits a, b, (a+b) 1's, i.e., (a=5, b=9). Shall we call it an “almost near-repunit prime”? [Loungrides]




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