Is 5 a multiple of 21?

When you are asking the question "Is 5 a multiple of 21?", you want to know if 5 is one of the multiples of 21. Thus, to find the answer, we can look at all the multiples of 21 and see if one of them is 5. However, instead of making a long list of multiples, we will explain a fast and easy way to get the answer.

First, note that if we were to create a list of multiples of 21, we first multiply 21 by 1, then we multiply 21 by 2, then multiply 21 by 3, and so on indefinitely. In other words, 21 multiplied by any whole number is a multiple of 21. On the flip side, this means that any multiple of 21 divided by 21 will equal a whole number.

Therefore, you can check if 5 is a multiple of 21 by simply dividing 5 by 21. If the quotient is a whole number, then 5 is a multiple of 21.

5 divided by 21 is 0.238095238. In this case, the quotient is not a whole number, therefore, 5 is not a multiple of 21.

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