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What is the least common multiple of 9 and 2?

What is the least common multiple of 9 and 2?-example-1

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The muliples of 9 are: 9, 18, 27, 36, 45, ...

The multiples of 2 are: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26,...

So, the common multiples are 18, 36, 54,...

Therefore, the least common multiple is 18

Answer: 18