Is 643 divisible by 6?

The question we are solving here is: If we divide 643 by 6, will we get a whole number with no remainder? In other words, is 643 divisible by 6?

For 643 to be divisible by 6, both of the following two criteria must be met: First, 643 has to be an even number and second, the sum of its digits must be divisible by 3.

Looking at 643, you see that 643 is an odd number, which means that the first criteria is not met.

The sum of the digits in 643 is 13, which is not divisible by 3. Therefore, the second criteria is not met.

Thus, 643 is not divisible by 6 and the answer to the question "Is 643 divisible by 6?" is

NO

You may also be interested to know that if you divide 643 by 6, you get 107.17.

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