The book is now available! 11115...11513 (29-digits)
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                                             111151111 5111315117 1151111513
+ With a prime number of digits, and a prime sum of digits (59), after the trivial "11" this is the smallest prime concatenation of initial terms of the product of distinct primes of form 4k+1 that divide n. The next such prime is 1111511115111315117115111151311295111175137113541111, and next term after that has more than 1000 digits. [Post and Hasler]

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