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The LCM of 28 and 1920 is 13440.
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Find least common multiple (LCM) of: 56 & 3840 14 & 960 84 & 5760 140 & 9600 56 & 1920 28 & 3840 84 & 1920 28 & 5760 140 & 1920 28 & 9600 196 & 1920
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