The book is now available! 23222...22223 (27-digits)
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                                               2322222 2222222222 2222222223
+ The only prime-digit prime formed by inserting n identical digits d, (d=2), between two identical double-digit primes n, (n=23), i.e., inserting 23 2’s between two 23’s. [Loungrides]

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