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The LCM of 84 and 72 is 504.
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Find least common multiple (LCM) of: 168 & 144 42 & 36 252 & 216 28 & 24 420 & 360 588 & 504 168 & 72 84 & 144 252 & 72 84 & 216 420 & 72 84 & 360 588 & 72 84 & 504
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