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Q: Why is 684 divisible by 9?

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Yes, 684 ÷ 9 = 76

Using the tests for divisibility:Divisible by 3:Add the digits and if the sum is divisible by 3, so is the original number: 6 + 8 + 4 = 18 which is divisible by 3, so 684 is divisible by 3Divisible by 6:Number is divisible by 2 and 3: Divisible by 2:If the number is even (last digit divisible by 2), then the whole number is divisible by 2. 684 is even so 684 is divisible by 2.Divisible by 3:Already shown above to be divisible by 3. 684 is divisible by both 2 & 3 so 684 is divisible by 6Divisible by 9:Add the digits and if the sum is divisible by 9, so is the original number: 6 + 8 + 4 = 18 which is divisible by 9, so 684 is divisible by 9Thus 684 is divisible by all 3, 6 & 9.

4 is not divisible by 684. 684 is divisible by 4.

76

Yes, 684 is divisible by both 3 and 6.

Check the factors of 684. We have...684 = 2² x 3² x 19684 is divisible by the following numbers:234691236195717176684342114

Yes. 684 is evenly divisible by four.

Yes

Yes, 37 368 is exactly divisible by 2. The answer is 18 684.

All of its multiples are. There are an infinite number of them.

Sure, but not evenly. The quotient is 684/7 .

76

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