Is 23 divisible by 3? In other words, if you divide 23 by 3, will you get a whole number with no remainder?
Of course, you could use a calculator to find out if 23 is divisible by 3, but what fun would that be?
To find out if 23 is divisible by 3, we will add up the numbers that make 23 as follows: 2 + 3 = 5
We know that if the sum of the numbers that make up 23 is divisible by 3, then 23 is divisible by 3.
Since the sum of the digits in 23 is not divisible by 3, 23 is also NOT divisible by 3. Thus, the answer to the question "Is 23 divisible by 3?" is as follows:
No
Note: If you divide 23 by 3, you get 7.67 which is not a whole number.
Divisible by 3?
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