The book is now available! 19998991
(just those submitted by Hartley)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

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

+ p = 19998989 and q = 19998991 are a pair of twin primes such that p^n and q^n both start with the digits of n for n = 404, 414, 424, 434, 444 and 454. [Hartley]

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