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

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(47, 53, 59, 61) is the only tetrad of successive double-digit primes p < q < r < s such that (p+q) divides r*s+1, i.e., (47+53) divides 59*61+1. [Loungrides]

 

  Submitted: 2015-08-24 13:52:20;   Last Modified: 2019-04-16 06:53:25.



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