Is 25 divisible by 21?

25 is divisible by 21 if the quotient of 25 divided by 21 is an integer. The quotient is the result you get when you divide one number by another. Furthermore, an integer is a whole number (not a fractional number).

Thus, to find out if 25 is divisible by 21, we simply calculate 25 divided by 21 and then determine if the answer (quotient) is an integer (whole number) or a fractional number.

25 / 21 = 1.19047619

As you can see above, the quotient of 25 divided by 21 is 1.19047619 and 1.19047619 is a fractional number. Therefore, 25 is not divisible by 21.

Q: Is 25 divisible by 21?
A: No

So now you know that 25 is not divisible by 21. Do you want to know all the numbers that 25 is divisible by? No problem. 25 is divisible by 1, 5, and 25.

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