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Since the lowest common multiple of 9 and 2 is 18, all of the common multiples of 9 and 2 are multiples of 18. The first five are:

18, 36, 54, 72, 90

Since 9 is odd thean there are going to be odd numbers, which are not multiples of two.

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Q: What are multiples of 9 that are also multiples of 2?
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