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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 pseudoprime (base-2) such that its largest proper divisor is also a pseudoprime (base-2). [Earls]


  Submitted: 2002-11-05 06:53:32;   Last Modified: 2008-01-30 11:28:00.

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