The book is now available! 100129
(another Prime Pages' Curiosity)
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If n is an odd triperfect number (divisors sum to 3n), then the largest prime factor of n is at least 100129. [Cohen and Hagis]

 

  Submitted: 2001-02-22 16:26:55;   Last Modified: 2009-02-10 19:38:26.



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