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If the sum of the digits of a given number equals nine or a multiple of nine, nine is a factor of that number.

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Q: Is the factor of the sum of digits equals 9 or a multiple of 9?

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If that is the case, then three is a factor of the original number.

The sum of the digits in 252 is 2 + 5 + 2 which equals 9.

The sum of the digits is also a multiple of 9. And, if the sum of the digits is too large, you can sum those digits and keep going.

24 divided by three equals 8 divided by four equals 6 2 plus 4 equals 6

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If that is the case, then three is a factor of the original number.

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No factor of 9 has three digits. 450 is a three-digit multiple of 150 (and of 9) with a digit sum of 9.

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Yes, yes, and no. 3- sum of digits must be multiple of 3. 6- sum of digits must be multiple of 3 and number must be even (multiple of 2). 9- sum of digits must be multiple of 9. (The sum of the digits here is 21.)

The sum of the digits in 252 is 2 + 5 + 2 which equals 9.

The sum of the digits is also a multiple of 9. And, if the sum of the digits is too large, you can sum those digits and keep going.

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A number is divisible by 3 if the sum of its digits is a multiple of 3. A number is divisible by 6 if the sum of its digits is a multiple of 3 and it's even. A number is divisible by 9 if the sum of its digits is a multiple of 9.

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