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The LCM of 21 and 5 is 105.
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Find least common multiple (LCM) of: 42 & 10 63 & 15 105 & 25 147 & 35 42 & 5 21 & 10 63 & 5 21 & 15 105 & 5 21 & 25 147 & 5 21 & 35
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