The book is now available! 5437
(just those submitted by Madachy)
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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.

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

+ The center prime in a 13-by-13 bordered magic square made solely of prime numbers by a man in jail. [Madachy]




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