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The LCM of 6 and 40 is 120.
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Find least common multiple (LCM) of: 12 & 80 3 & 20 18 & 120 30 & 200 42 & 280 12 & 40 6 & 80 18 & 40 6 & 120 30 & 40 6 & 200 42 & 40 6 & 280
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