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The LCM of 20 and 8 is 40.
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Find least common multiple (LCM) of: 40 & 16 10 & 4 60 & 24 100 & 40 140 & 56 40 & 8 20 & 16 60 & 8 20 & 24 100 & 8 20 & 40 140 & 8 20 & 56
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