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

2 Answers

5 votes

Hi There!

Multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63...

Multiples of 7: 7, 14, 21, 28, 35, 42, 49, 56, 63...

Answer: 12, 42, and 63!

Hope This Helps :)

User David Wu
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3 - 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63

7 - 7, 14, 21, 28, 35, 42, 49, 56, 63

First three common multiples of 3 and 7 are 21, 42, and 63.

Answer - 21, 42, 63

Hope this Helps!!

User Jean Cedron
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