The book is now available! 97379
(just those submitted by Gaydos)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

Just showing those entries submitted by 'Gaydos': (Click here to show all)

+ 36763 is the smallest composite palindrome whose concatenation of prime factors (97*379) in order is a prime palindrome (97379). The next one is 9396939 (3*101*31013). [Gaydos]

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