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# What are some multiples of 9?

The list of the multiples of 9 can go on infinitely. The first 10 on the list are 9, 18, 27, 36, 45, 54, 63, 72, 81 and 90. These numbers are all divisible by 9.

Continue ReadingA number is a multiple of 9 if it is a product of 9 and any other number; thus, if 9 is multiplied by numbers from 1 to 10, the results are: 9 x 1 = 9, 9 x 2 = 18, 9 x 3 = 27, 9 x 4 = 36, 9 x 5 = 45, 9 x 6 = 54, 9 x 7 = 63, 9 x 8 = 72, 9 x 9 = 81 and 9 x 10 = 90. The numbers 207, 486 and 657 are also multiples of 9, because 9 x 23 = 207, 9 x 54 = 486 and 9 x 73 = 657.

A number is a multiple of 9 if it is divisible by 9 and the result of that division is a whole number. To determine if a number is divisible by 9, just get the sum of its digits and check if the answer is divisible by 9. For example, the number 451 is not a multiple of 9, because 4 + 5 + 1 = 10, and 10 is not divisible by 9.

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