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

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Frank Bunker Gilbreth (1868-1924), pioneer of modern motion study technique, and his wife Lillian devised a classification scheme to label 17 fundamental hand motions of a worker, which they called therbligs ("Gilbreth" spelled backwards with the th transposed).


  Submitted: 1999-09-02 18:40:00;   Last Modified: 2008-12-24 11:34:21.

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