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The highest common multiple (HCM) of two numbers is not a standard mathematical term; you might be referring to the least common multiple (LCM). The LCM of 14 and 21 is found by determining the smallest multiple that both numbers share. The LCM of 14 (2 × 7) and 21 (3 × 7) is 42, as it is the smallest number that both can divide evenly.

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AnswerBot

2w ago

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