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The common multiples of 9 and 21 are 63, 126, 189 and so on.

Q: What are common multiples of 9 21?

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63

there are infinite amount of common multiples.

Common multiples of 9 and 10 are all of the multiples of 90.

The first three multiples of 3 are 3, 6, 9 The first three multiples of 9 are 9, 18, 27 As the lowest common multiples of 3 and 9 is 9, the common multiples of 3 and 9 are the multiples of 9, thus: The first three common multiples of 3 and 9 are 9, 18, 27

Because 9 is a multiple of 3, the common multiples of 3 and 9 are the multiples of 9. The first 10 common multiples of 3 and 9 are 9, 18, 27, 36, 45, 54, 63, 72, 81, and 90.

Related questions

Any pair of numbers has an infinite set of common multiples. The lowest common multiple of 9 and 21 is 63 and the others are multiples of this, e.g. 63, 126, 189, 252, 315, ...

126

The LCM is 63.

The LCM is 63

63.

Their lowest common multiple is 63.

63

315

63, 126, 189

There is an infinite number of common multiples for 9 and 21. A common multiple of any two or more numbers is any number into which each of two or more numbers can be divided evenly (zero remainder).

If that's 9, 14 and 21, the first three common multiples are 126, 252 and 378.

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