The book is now available! 27718...98387 (31-digits)
(just those submitted by Vrba)
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                                          2 7718264491 9335489100 7108898387

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

+ (1! + 2! + 3! + ... + 30!)/99 is prime and has 31 digits. [Vrba]




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