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The LCM of 42 and 72 is 504.
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Find least common multiple (LCM) of: 84 & 144 21 & 36 126 & 216 14 & 24 210 & 360 294 & 504 84 & 72 42 & 144 126 & 72 42 & 216 210 & 72 42 & 360 294 & 72 42 & 504
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