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

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A prime square whose prime count pi(5^2) is another prime square (3^2) and it's prime count is another prime square (pi(pi(5^2)) = 2^2). [Picheny]


  Submitted: 2009-07-24 11:24:43;   Last Modified: 2009-07-24 13:39:50.

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