The book is now available! 92997492273
(just those submitted by Rivera)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                                                                9 2997492273

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

+ A composite such that subtracting "2" from each of the digits, one at a time, produces a prime integer. [Rivera]

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