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Old 2016-07-11, 20:53   #9
CRGreathouse's Avatar
Aug 2006

2·5·593 Posts

Originally Posted by a1call View Post
I would prefer a much smaller numeric example.
How about 15 as the product.
How would you go about arriving at 8 as the sum?
I'm trying to avoid an example where the number is readily factored. Finding the sum of the prime factors in such a case would demonstrate that the method is powerful.
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