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