The book is now available! 858
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ 858 = 2 * 3 * 11 * 13 is the smallest palindrome with 4 distinct prime factors. Note that the reversal of each is prime. [Post]

+ Smallest palindromic prime p such that p-1, p+1, p-5, and p+5 are all primes. [Sariyar]

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