The book is now available! 1241111124211111421
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                                                        124111112 4211111421
+ The largest known (as of Feb 2002) palindromic prime such that the square of the sum of digits is equal to the product of digits. [Russo]

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