Is 840 divisible by 3? In other words, if you divide 840 by 3, will you get a whole number with no remainder?
Of course, you could use a calculator to find out if 840 is divisible by 3, but what fun would that be?
To find out if 840 is divisible by 3, we will add up the numbers that make 840 as follows: 8 + 4 + 0 = 12
We know that if the sum of the numbers that make up 840 is divisible by 3, then 840 is divisible by 3.
Since the sum of the digits in 840 is divisible by 3, 840 is also divisible by 3. Thus, the answer to the question "Is 840 divisible by 3?" is as follows:
Yes
Note: If you divide 840 by 3, you get 280 which is a whole number.
Divisible by 3?
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