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The LCM of 4 and 2 is 4.
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Find least common multiple (LCM) of: 8 & 4 2 & 1 12 & 6 20 & 10 28 & 14 8 & 2 4 & 4 12 & 2 4 & 6 20 & 2 4 & 10 28 & 2 4 & 14
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