The book is now available! 11111...11111 (1031-digits)
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ R1031 or (10^1031-1)/9 is the fifth known repunit prime. [Dobb]

+ The 5th prime repunit, R1031, has the 'Halloween prime' number of digits. [Green]

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