Is 100 divisible by 21?

100 is divisible by 21 if the quotient of 100 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 100 is divisible by 21, we simply calculate 100 divided by 21 and then determine if the answer (quotient) is an integer (whole number) or a fractional number.

100 / 21 = 4.761904762

As you can see above, the quotient of 100 divided by 21 is 4.761904762 and 4.761904762 is a fractional number. Therefore, 100 is not divisible by 21.

Q: Is 100 divisible by 21?
A: No

So now you know that 100 is not divisible by 21. Do you want to know all the numbers that 100 is divisible by? No problem. 100 is divisible by 1, 2, 4, 5, 10, 20, 25, 50, and 100.

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