Is 129 divisible by 3? In other words, if you divide 129 by 3, will you get a whole number with no remainder?
Of course, you could use a calculator to find out if 129 is divisible by 3, but what fun would that be?
To find out if 129 is divisible by 3, we will add up the numbers that make 129 as follows: 1 + 2 + 9 = 12
We know that if the sum of the numbers that make up 129 is divisible by 3, then 129 is divisible by 3.
Since the sum of the digits in 129 is divisible by 3, 129 is also divisible by 3. Thus, the answer to the question "Is 129 divisible by 3?" is as follows:
Yes
Note: If you divide 129 by 3, you get 43 which is a whole number.
Divisible by 3?
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