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

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A palindromic prime that remains prime if the middle digit is replaced by each of five digits (in this case 2, 3, 5, 6, or 9). [Blanchette]


  Submitted: 2009-03-17 22:16:23;   Last Modified: 2009-03-17 22:53:23.

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