The book is now available! 1111111111111111111111
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                                                    11 1111111111 1111111111
+ The smallest repunit whose prime factors contain all digits from 0 to 9 (1111111111111111111111 = 11*11*23*4093*8779*21649*513239). [Gupta]

(There is one curio for this number that has not yet been approved by an editor.)

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