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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 (and only known) integer congruent to 7 mod 8 which is not expressible as the sum of a square and twice a prime, i.e., as x^2 + 2*p. [Oakes]


  Submitted: 2009-10-06 06:06:36;   Last Modified: 2009-10-06 06:33:19.

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