The book is now available! 29587
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ The sum of all the primes that are concatenated from two successive double-digit primes, i.e., 3137+5347+5953+6761+8389. [Loungrides]

+ Append or prepend any of the digits 1, 3, 7, or 9, and 29587 will remain prime. This is the smallest prime with this property. [Henriksen]




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