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The LCM of 84 and 63 is 252.
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Find least common multiple (LCM) of: 168 & 126 252 & 189 28 & 21 420 & 315 588 & 441 12 & 9 168 & 63 84 & 126 252 & 63 84 & 189 420 & 63 84 & 315 588 & 63 84 & 441
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