Is 421 divisible by 3? In other words, if you divide 421 by 3, will you get a whole number with no remainder?
Of course, you could use a calculator to find out if 421 is divisible by 3, but what fun would that be?
To find out if 421 is divisible by 3, we will add up the numbers that make 421 as follows: 4 + 2 + 1 = 7
We know that if the sum of the numbers that make up 421 is divisible by 3, then 421 is divisible by 3.
Since the sum of the digits in 421 is not divisible by 3, 421 is also NOT divisible by 3. Thus, the answer to the question "Is 421 divisible by 3?" is as follows:
No
Note: If you divide 421 by 3, you get 140.33 which is not a whole number.
Divisible by 3?
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