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

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The largest integer that cannot be expressed as the sum of two squareful numbers. A number is squareful (or non-squarefree) if it contains at least one square in its prime factorization. [Rupinski]


  Submitted: 2003-01-19 20:10:40;   Last Modified: 2009-03-04 12:51:26.

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