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The LCM of 400 and 3 is 1200.
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Find least common multiple (LCM) of: 800 & 6 1200 & 9 2000 & 15 2800 & 21 800 & 3 400 & 6 1200 & 3 400 & 9 2000 & 3 400 & 15 2800 & 3 400 & 21
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