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LCM in math means least common multiple. So, for example, in the case of 2 and 18, the least common multiple is 18 because that is the lowest valued number that both 2 and 18 share. An another example is the case of 5 and 12. The least common multiple will be 5 times 12, because 5 and 12 do not have any common factors.

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14y ago

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