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The LCM of 21 and 1960 is 5880.
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Find least common multiple (LCM) of: 42 & 3920 63 & 5880 105 & 9800 3 & 280 42 & 1960 21 & 3920 63 & 1960 21 & 5880 105 & 1960 21 & 9800 147 & 1960
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