The book is now available! 33333...33333 (4261-digits)
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ Let R(n)=(10^n-1)/9 be the n-digit base-10 repunit. As of June 2003, the 4261-digit number (30*R(15)+4)*R(4260)/R(15)-1 was the largest known palindromic prime with prime digits. Proof: [Broadhurst]

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