Is 815 divisible by 3? In other words, if you divide 815 by 3, will you get a whole number with no remainder?
Of course, you could use a calculator to find out if 815 is divisible by 3, but what fun would that be?
To find out if 815 is divisible by 3, we will add up the numbers that make 815 as follows: 8 + 1 + 5 = 14
We know that if the sum of the numbers that make up 815 is divisible by 3, then 815 is divisible by 3.
Since the sum of the digits in 815 is not divisible by 3, 815 is also NOT divisible by 3. Thus, the answer to the question "Is 815 divisible by 3?" is as follows:
No
Note: If you divide 815 by 3, you get 271.67 which is not a whole number.
Divisible by 3?
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