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1023976197718878397 = 7*7*7*7*61*89*971*983*82301 is believed to be (as of October 2013) the smallest known nine-prime-factors composite number, containing the same digits as the set of its prime factors. Reported by J. K. Andersen. [Rivera]

 

  Submitted: 2013-10-20 18:21:20;   Last Modified: 2013-10-20 19:47:52.



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