The book is now available! 107
(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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107 and 109 are the smallest pair of consecutive prime numbers whose squares have the same sum of digits. [Gaydos]


  Submitted: 2017-10-20 11:04:32;   Last Modified: 2019-01-26 09:17:19.

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