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How many positive and negative integers is \(12\) a multiple of?

16 doesnent work

 Sep 11, 2020
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12=2^2*3^1 --> has (2+1)(1+1)=3*2=6 factors, in positive. By symettry, this is the same for negative. So 6+6=12.

 Sep 12, 2020

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