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 Post subject: Number properties - Arithmetic old book Q82Posted: Thu Nov 22, 2012 3:26 pm

Joined: Tue Nov 06, 2012 5:28 pm
Posts: 13
This question relies on the number property (as stated in the solution): "if a number other than 1 is a factor of the number x, then that number can never be a factor of x+1."

Would this hold true for x-1 also? I think the answer would be "yes", but want to confirm. In other words, any number other than 1 that is a factor of a number cannot be a factor of the number one greater, and one less than the number.

Trying to understand this number property completely in case it pops up in a similar form.

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 Post subject: Re: Number properties - Arithmetic old book Q82Posted: Tue Nov 27, 2012 4:30 pm

Joined: Thu Feb 12, 2009 6:32 pm
Posts: 497
Yes, this would work for a number one smaller (x - 1) as well as a number one larger (x + 1)

- Veritas Help

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