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# Is 9 divisible by 1239

Updated: 9/24/2023

Wiki User

9y ago

No.

9 is less than 1239 so it cannot be divisible by it.

Nor is 1239 divisible by 9.

To test if a number is divisible by 9 add the digits and if this sum is divisible by 9 then so is the original number. As the test can be applied to the sum, repeating the summing until a single digits remains means the original number is divisible by 9 only if this single digit (also called the digital root of the number) is 9. (if it is not 9, it gives the remainder when the original number is divided by 9).

For 1239: 1 + 2 + 3 + 9 = 15 → 1 + 5 = 6 which is not 9, so 1239 is not divisible by 9 (it has a remainder of 6 when divided by 9).

Wiki User

9y ago

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