The book is now available! 11172427111
(just those submitted by Rivera)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                                                                1 1172427111

Just showing those entries submitted by 'Rivera': (Click here to show all)

+ The smallest palindromic prime such that the square of the sum of its digits equals the product of its digits. [Rivera and De Geest]

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