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