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The LCM of 84 and 81 is 2268.
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Find least common multiple (LCM) of: 168 & 162 252 & 243 28 & 27 420 & 405 588 & 567 168 & 81 84 & 162 252 & 81 84 & 243 420 & 81 84 & 405 588 & 81 84 & 567
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