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The LCM of 4 and 84 is 84.
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Find least common multiple (LCM) of: 8 & 168 2 & 42 12 & 252 20 & 420 28 & 588 8 & 84 4 & 168 12 & 84 4 & 252 20 & 84 4 & 420 28 & 84 4 & 588
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