The book is now available! 99999...99999 (43-digits)
(just those submitted by Silva)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                             999 9999991333 5555577777 7755555333 1999999999

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

+ The smallest expanded palindromic prime containing all odd digits. [Silva]

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