The book is now available! 36763
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ Smallest composite palindrome whose factors form a palindromic prime when concatenated, i.e., 36763 = 97*379 and 97379 is a palindromic prime. [Sariyar]

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