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The LCM of 20 and 54 is 540.
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Find least common multiple (LCM) of: 40 & 108 10 & 27 60 & 162 100 & 270 140 & 378 40 & 54 20 & 108 60 & 54 20 & 162 100 & 54 20 & 270 140 & 54 20 & 378
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