Is 18 a factor of 647?

Here we will show you two different methods you can use to determine if 18 is a factor of 647.

The first method entails simply listing all factors of 647 and then seeing if 18 is one of them. The factors of 647 are 1 and 647. Looking at the list, you see that 18 is not on the list, and the answer to "Is 18 a factor of 647?" is therefore no.

For the second and perhaps easier method, we divide 647 by 18 to see if the quotient is a whole number or fractional number. If the quotient is a whole number, then 18 is a factor of 647. If the quotient is a fractional number, then 18 is not a factor of 647.

647 divided by 18 is 35.94444444 which is a fractional number. Thus, once again, the answer to "Is 18 a factor of 647?" is no.

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Is 18 a factor of 648?
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