Is 521 divisible by 21?

521 is divisible by 21 if the quotient of 521 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 521 is divisible by 21, we simply calculate 521 divided by 21 and then determine if the answer (quotient) is an integer (whole number) or a fractional number.

521 / 21 = 24.80952381

As you can see above, the quotient of 521 divided by 21 is 24.80952381 and 24.80952381 is a fractional number. Therefore, 521 is not divisible by 21.

Q: Is 521 divisible by 21?
A: No

So now you know that 521 is not divisible by 21. Do you want to know all the numbers that 521 is divisible by? No problem. 521 is divisible by 1 and 521.

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