Is 21 a multiple of 87?
Here we will illustrate two ways to figure out if 21 is a multiple of 87.
One way would be to list all of the multiples of 87 and check if 21 is one of the numbers.
Multiples of 87 are 87, 174, 261, 348, 435, 522, 609, 696, 783, 870 and so on.
Since 21 is not on the list of multiples of 87, the answer to the question "Is 21 a multiple of 87?" is: No.
Another way, would be to simply divide 21 by 87. If the result is a positive integer, then 21 is a multiple of 87.
21 divided by 87 equals 0.241, which is not a positive integer. Once again, the answer to our question is: No.
Is 21 a multiple of 88?
Use one of the methods we used on this page to find the next question on our list.