The book is now available! 880667
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ The smallest prime to be the digital reversal of a product of pairs of amicable numbers. R(2620 * 2924) = R(7660880) = 0880667 = 880667 is prime. [Post]

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