The book is now available! 13107181911273173
(just those submitted by Hartley)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                                                          1310718 1911273173

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

+ An emirp formed by concatenating the first 6 Mersenne primes in reverse order. [Hartley]

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