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

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In chess positions with a king and pawn versus a king in which pawn promotion can be forced, at most 19 moves are required to promote the pawn (with best play by both sides). [McCranie]


  Submitted: 2007-12-22 18:50:42;   Last Modified: 2008-01-30 11:28:00.

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