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The LCM of 18 and 4 is 36.
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Find least common multiple (LCM) of: 36 & 8 9 & 2 54 & 12 90 & 20 126 & 28 36 & 4 18 & 8 54 & 4 18 & 12 90 & 4 18 & 20 126 & 4 18 & 28
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