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A common question in mathematics asks you to find two pairs of numbers with a given LCM. It is trying to find out whether you know what an LCM is, how to find it and reinforces the fact that more than one pair of numbers can have the same LCM.

Q. Find two pairs of numbers with the LCM of 36.

A. 4 and 9, 12 and 18 (Other answers are possible.)

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Q: What does find two pairs of numbers with least common multiple?
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