The book is now available! 333667
(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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333667 is the smallest emirp formed from the concatenation in order of two 3-digit composite numbers summed to a thousand (333, 667). [Loungrides]


  Submitted: 2013-11-02 14:19:30;   Last Modified: 2018-05-08 10:57:31.

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