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The LCM of 3 and 18 is 18.
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Find least common multiple (LCM) of: 6 & 36 9 & 54 1 & 6 15 & 90 21 & 126 6 & 18 3 & 36 9 & 18 3 & 54 15 & 18 3 & 90 21 & 18 3 & 126
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