The book is now available! 57777...77777 (993-digits)
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ The largest non-titanic near-repdigit prime-digit prime p whose sum of digits (sod) is also prime. Curiously, p and sod(p) both can also be expressed as sum of two squares. [Bajpai]

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