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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 odd non-cluster prime. An odd prime p is called a cluster prime if every even positive integer less than p-2 can be written as the difference of two primes q - q', where q, q' is less than or equal to p.


  Submitted: 1999-10-03 18:19:37;   Last Modified: 2008-07-31 09:17:21.

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