Is 678 divisible by 3? In other words, if you divide 678 by 3, will you get a whole number with no remainder?
Of course, you could use a calculator to find out if 678 is divisible by 3, but what fun would that be?
To find out if 678 is divisible by 3, we will add up the numbers that make 678 as follows: 6 + 7 + 8 = 21
We know that if the sum of the numbers that make up 678 is divisible by 3, then 678 is divisible by 3.
Since the sum of the digits in 678 is divisible by 3, 678 is also divisible by 3. Thus, the answer to the question "Is 678 divisible by 3?" is as follows:
Yes
Note: If you divide 678 by 3, you get 226 which is a whole number.
Divisible by 3?
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