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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 emirpimes which, when concatenated with its digital reversal, gives a semiprime (a palindromatic semiprime): 9449 = 11 * 859. [Post]


  Submitted: 2010-04-06 09:54:19;   Last Modified: 2010-04-07 07:31:08.

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