The book is now available! 137939171373917139397
(just those submitted by Silva)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                                                     1 3793917137 3917139397

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

+ The concatenation of the second digits of all two-digit primes is prime. [Silva]

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