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The LCM of 10 and 40 is 40.
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Find least common multiple (LCM) of: 20 & 80 5 & 20 30 & 120 50 & 200 2 & 8 70 & 280 20 & 40 10 & 80 30 & 40 10 & 120 50 & 40 10 & 200 70 & 40 10 & 280
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