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The LCM of 20 and 138 is 1380.
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Find least common multiple (LCM) of: 40 & 276 10 & 69 60 & 414 100 & 690 140 & 966 40 & 138 20 & 276 60 & 138 20 & 414 100 & 138 20 & 690 140 & 138 20 & 966
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