Is 7 a factor of 90?

Here we will show you two different methods you can use to determine if 7 is a factor of 90.

The first method entails simply listing all factors of 90 and then seeing if 7 is one of them. The factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, and 90. Looking at the list, you see that 7 is not on the list, and the answer to "Is 7 a factor of 90?" is therefore no.

For the second and perhaps easier method, we divide 90 by 7 to see if the quotient is a whole number or fractional number. If the quotient is a whole number, then 7 is a factor of 90. If the quotient is a fractional number, then 7 is not a factor of 90.

90 divided by 7 is 12.85714286 which is a fractional number. Thus, once again, the answer to "Is 7 a factor of 90?" is no.

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Is 7 a factor of 91?
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