The book is now available! 880667
(another Prime Pages' Curiosity)
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The nth Prime Page will now find any of the first 2.623˙1015 primes or π(x) for x up to 1017.

+ 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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