Is 861 divisible by 3? In other words, if you divide 861 by 3, will you get a whole number with no remainder?
Of course, you could use a calculator to find out if 861 is divisible by 3, but what fun would that be?
To find out if 861 is divisible by 3, we will add up the numbers that make 861 as follows: 8 + 6 + 1 = 15
We know that if the sum of the numbers that make up 861 is divisible by 3, then 861 is divisible by 3.
Since the sum of the digits in 861 is divisible by 3, 861 is also divisible by 3. Thus, the answer to the question "Is 861 divisible by 3?" is as follows:
Yes
Note: If you divide 861 by 3, you get 287 which is a whole number.
Divisible by 3?
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