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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 4-digit prime p of the form 2^r*7^s-1, where r and s are primes. [Russo]


  Submitted: 2009-03-09 02:51:41;   Last Modified: 2016-06-04 08:52:15.

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