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The LCM of 21 and 560 is 1680.
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Find least common multiple (LCM) of: 42 & 1120 63 & 1680 105 & 2800 147 & 3920 3 & 80 42 & 560 21 & 1120 63 & 560 21 & 1680 105 & 560 21 & 2800 147 & 560 21 & 3920
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