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The LCM of 28 and 9 is 252.
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Find least common multiple (LCM) of: 56 & 18 84 & 27 140 & 45 196 & 63 56 & 9 28 & 18 84 & 9 28 & 27 140 & 9 28 & 45 196 & 9 28 & 63
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