Is 257 divisible by 3? In other words, if you divide 257 by 3, will you get a whole number with no remainder?
Of course, you could use a calculator to find out if 257 is divisible by 3, but what fun would that be?
To find out if 257 is divisible by 3, we will add up the numbers that make 257 as follows: 2 + 5 + 7 = 14
We know that if the sum of the numbers that make up 257 is divisible by 3, then 257 is divisible by 3.
Since the sum of the digits in 257 is not divisible by 3, 257 is also NOT divisible by 3. Thus, the answer to the question "Is 257 divisible by 3?" is as follows:
No
Note: If you divide 257 by 3, you get 85.67 which is not a whole number.
Divisible by 3?
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