Is 2780 divisible by 3? In other words, if you divide 2780 by 3, will you get a whole number with no remainder?
Of course, you could use a calculator to find out if 2780 is divisible by 3, but what fun would that be?
To find out if 2780 is divisible by 3, we will add up the numbers that make 2780 as follows: 2 + 7 + 8 + 0 = 17
We know that if the sum of the numbers that make up 2780 is divisible by 3, then 2780 is divisible by 3.
Since the sum of the digits in 2780 is not divisible by 3, 2780 is also NOT divisible by 3. Thus, the answer to the question "Is 2780 divisible by 3?" is as follows:
No
Note: If you divide 2780 by 3, you get 926.67 which is not a whole number.
Divisible by 3?
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