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The LCM of 9 and 3 is 9.
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Find least common multiple (LCM) of: 18 & 6 27 & 9 3 & 1 45 & 15 63 & 21 18 & 3 9 & 6 27 & 3 9 & 9 45 & 3 9 & 15 63 & 3 9 & 21
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