Factor of 21, but not a Multiple of 7


Here we will discuss and show you how to figure out which number is a factor of 21, but not a multiple of 7.

The most common way to determine which number is a factor of 21, but not a multiple of 7, is to simply list the factors of 21 and the multiples of 7 so you can compare the two lists.

The answer to "Which number is a factor of 21, but not a multiple of 7?" would be all the numbers that are on the Factors of 21 list, but not on the Multiples of 7 list.

Factors of 21: 1, 3, 7, 21

Multiples of 7: 7, 14, 21, 28, 35...

Answer: 1, 3

Alternatively, you can figure out which number is a factor of 21, but not a multiple of 7, by dividing every factor of 21 by 7. The answer would be all the quotients that are not integers.

Factor, but not a Multiple
You can submit another "Which number is a factor, but not a multiple?" problem below.

Which number is a factor of  but not a multiple of ?

Which number is a factor of 22, but not a multiple of 7?
Here is a similar problem in our Multiples database that we have solved for you.


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