The book is now available! 480047
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

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Except for 3+5=8, the smallest pair of prime twins whose sum is a strobogrammatic number is 480047+480049=960096. [Gaydos]


  Submitted: 2018-03-19 21:37:24;   Last Modified: 2018-03-20 05:44:07.

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