Is 321 divisible by 3? In other words, if you divide 321 by 3, will you get a whole number with no remainder?
Of course, you could use a calculator to find out if 321 is divisible by 3, but what fun would that be?
To find out if 321 is divisible by 3, we will add up the numbers that make 321 as follows: 3 + 2 + 1 = 6
We know that if the sum of the numbers that make up 321 is divisible by 3, then 321 is divisible by 3.
Since the sum of the digits in 321 is divisible by 3, 321 is also divisible by 3. Thus, the answer to the question "Is 321 divisible by 3?" is as follows:
Yes
Note: If you divide 321 by 3, you get 107 which is a whole number.
Divisible by 3?
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