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The LCM of 10 and 3 is 30.
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Find least common multiple (LCM) of: 20 & 6 30 & 9 50 & 15 70 & 21 20 & 3 10 & 6 30 & 3 10 & 9 50 & 3 10 & 15 70 & 3 10 & 21
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