Is 285 divisible by 21?

285 is divisible by 21 if the quotient of 285 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 285 is divisible by 21, we simply calculate 285 divided by 21 and then determine if the answer (quotient) is an integer (whole number) or a fractional number.

285 / 21 = 13.57142857

As you can see above, the quotient of 285 divided by 21 is 13.57142857 and 13.57142857 is a fractional number. Therefore, 285 is not divisible by 21.

Q: Is 285 divisible by 21?
A: No

So now you know that 285 is not divisible by 21. Do you want to know all the numbers that 285 is divisible by? No problem. 285 is divisible by 1, 3, 5, 15, 19, 57, 95, and 285.

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