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What are the three first common multiples of 9 and 21?

Updated: 8/21/2019

Wiki User

∙ 6y ago

Best Answer

Common multiples are multiples that are common to two or more numbers.

9: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108, 117, 126, 135, 144, 153, 162, 171, 180, 189

21: 21, 42, 63, 84, 105, 126, 147, 168, 189

The first 3 common multiples of 9 and 21 are 63, 126 and 189.
63, 126, 189.

Wiki User

∙ 6y ago

This answer is:

ndeni kimaro ∙

Lvl 1

∙ 1y ago

Thank you so much

William Dinette ∙

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∙ 1y ago

thx so helpful

ꈍ『ꈍLIFΞꈍ『ꈍ ∙

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∙ 1y ago

WHAT OMG TYSM I HAVE THIS FOR HOMEWORK I HAVE BEEN DOING IT SINCE 1 HOUR

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Wiki User

∙ 6y ago

63, 126, 189.

This answer is:

Chase Courduff ∙

Lvl 2

∙ 3y ago

I63

This answer is:

Anonymous ∙

Lvl 1

∙ 3y ago

63, 126, 252

This answer is:

Anonymous ∙

Lvl 1

∙ 3y ago

63, 126, 252 are the first 3

Anonymous ∙

Lvl 1

∙ 3y ago

17

This answer is:

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Q: What are the three first common multiples of 9 and 21?

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Related questions

What are the first three common multiples of 91421?

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

What are the first three common multiples of 3 and 21?

21, 42 and 63

What are the first three common multiples of 7 and 3?

21

What is the first three common multiples of 1 and 7?

7, 14, 21

What are the first three common multiples of 9and 21?

63, 126, 189

What are the first three common multiples of 14 and 21?

42, 84, 126

Is the first three common multiples of 9 and 21?

63, 126, 189

What are the first three common multiples of 12 and 21?

84, 168, 252

What are the first three common multiples of 9 14 and 21?

126, 252, 378

What are te first three common multiples of 9 and 21?

63, 126, 189

What is the first three common multiples of 9 14 21?

126, 252, 378 and so on.

What are common multiples of three and seven?

Any multiple of 21.

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