Is 123 Divisible by 9?

No, 123 is not divisible by 9.

Quick math

  • 123 ÷ 9 = 13 remainder 6
  • 9 × 13 + 6 = 123
  • 1 + 2 + 3 = 6
  • 6 is not a multiple of 9.
Divisible
No
Quotient
13
Remainder
6
GCF(123, 9)
3
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Is 123 Divisible by 9?

No, 123 is not divisible by 9. 123 ÷ 9 = 13 remainder 6. A number is only divisible when the remainder is 0.

Handwritten notebook page checking whether 123 is divisible by 9
123 ÷ 9 leaves a remainder, so 123 is not divisible by 9.

Method 1: Divide and Check the Remainder

123 ÷ 9 = 13 remainder 6.

Check it: 9 × 13 = 117, and 123 - 117 = 6, which is not 0.

Method 2: The Divisibility Rule for 9

A number is divisible by 9 if its digits add up to a multiple of 9.

The rule agrees with the division: 123 is not divisible by 9.

Multiples and Factors

123 is not a multiple of 9. It sits between 117 and 126, which are the multiples of 9 on either side. The GCF of 123 and 9 is 3.

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Is 123 Divisible by 9?: FAQs

Is 123 divisible by 9?

No. 123 ÷ 9 = 13 remainder 6, so the remainder is 6. A number is only divisible by 9 when the remainder is 0.

How do you check if 123 is divisible by 9?

A number is divisible by 9 if its digits add up to a multiple of 9. 1 + 2 + 3 = 6. 6 is not a multiple of 9.

What is the remainder when 123 is divided by 9?

The remainder is 6, because 9 × 13 = 117 and 123 - 117 = 6.

Is 123 a multiple of 9?

No. The multiples of 9 either side of 123 are 117 and 126, and 123 sits between them.

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