The book is now available! 2223243435546756677
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                                                        222324343 5546756677
+ The smallest prime concatenated from the first n nonzero values of the number of primes between n^2 and (n+1)^2 (case n=21). [Post]

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