The book is now available! 12233...99899 (45-digits)
(just those submitted by Poo Sung)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                           12233 3444455555 6666667777 7778888889 9998999899

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

+ The smallest semiprime composed of one 1, two 2's, ..., nine 9's. That is 122333444455555666666777777788888899998999899/3 = 40777814818518555555592592596296299999666633 is prime. [Poo Sung]

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