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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

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The smallest Yarborough emirp that yields another Yarborough emirp when each of its digit is replaced by its cube, i.e., (9^3:2^3:2^3:7^3 -> 72988343). [Bajpai]

 

  Submitted: 2018-02-13 15:19:25;   Last Modified: 2019-01-17 09:03:15.



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