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The LCM of 84 and 42 is 84.
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Find least common multiple (LCM) of: 168 & 84 42 & 21 252 & 126 28 & 14 420 & 210 588 & 294 12 & 6 168 & 42 84 & 84 252 & 42 84 & 126 420 & 42 84 & 210 588 & 42 84 & 294
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