Is 309 divisible by 3? In other words, if you divide 309 by 3, will you get a whole number with no remainder?
Of course, you could use a calculator to find out if 309 is divisible by 3, but what fun would that be?
To find out if 309 is divisible by 3, we will add up the numbers that make 309 as follows: 3 + 0 + 9 = 12
We know that if the sum of the numbers that make up 309 is divisible by 3, then 309 is divisible by 3.
Since the sum of the digits in 309 is divisible by 3, 309 is also divisible by 3. Thus, the answer to the question "Is 309 divisible by 3?" is as follows:
Yes
Note: If you divide 309 by 3, you get 103 which is a whole number.
Divisible by 3?
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