The book is now available! 44446666669
(just those submitted by Silva)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                                                                4 4446666669

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

+ Prime formed from the first two semiprime digits d each repeated itself d times before the third one. [Silva]

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