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The LCM of 84 and 40 is 840.
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Find least common multiple (LCM) of: 168 & 80 42 & 20 252 & 120 420 & 200 588 & 280 168 & 40 84 & 80 252 & 40 84 & 120 420 & 40 84 & 200 588 & 40 84 & 280
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