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

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Some positions (e.g., "superflip") on the original Rubik's Cube cannot be solved in 19 or less face turns.


  Submitted: 2010-12-09 22:41:52;   Last Modified: 2011-09-16 12:02:39.

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