The book is now available! 510510
(another Prime Pages' Curiosity)
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Pomerance found that the product of 715*(715-1)=510510 equaled the product of both their prime factors: 2*3*5*7*11*13*17. [McAlee]

 

  Submitted: 2003-08-24 07:57:46;   Last Modified: 2008-01-30 11:28:00.



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