The book is now available! 413
(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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At 413, the number of composite numbers ending with a 3 finally catches up to the number of primes ending with a 3 at 21 each after falling behind by as much as 9 to 3 at n = 113. [Gaydos]


  Submitted: 2015-12-18 20:01:33;   Last Modified: 2019-07-31 06:41:15.

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