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

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42^2 is the smallest perfect square that is the mean of cubed twin primes. Curiosly, the difference of the twin prime cubed and the mean of the cubed twin primes is again a prime: 42^2 = 11^3 + 433 = 13^3 - 433. [Vrba]


  Submitted: 2007-02-03 23:02:06;   Last Modified: 2011-03-22 05:46:24.

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