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

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Amateur mathematician Aubrey D.N.J. de Grey constructed a unit-distance graph which cannot be colored with fewer than 5 colors.

 

  Submitted: 2019-04-19 16:26:26;   Last Modified: 2019-04-19 16:27:03.



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