medium · GMAT Quant

Is this number divisible by 6, and why?

1. Yes, because 4,722 ends in an even digit, which alone guarantees divisibility by 6.
2. No, because the sum of the digits is not divisible by 6.
3. Yes, because it ends in a 2, which is a factor of 6.
4. No, because 4,722 is an even number.
5. Yes, because the last digit is even and the sum of the digits is divisible by 3.

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