The book is now available! 29
(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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29 = (2*7) + (3*5), i.e., the first n primes placed in product pairs whereas the first factors are increasing and the second factors are decreasing, then added together. Can you find the next prime with this property? [Bergot]


  Submitted: 2018-04-05 13:11:23;   Last Modified: 2018-04-05 14:14:10.

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