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The LCM of 420 and 1920 is 13440.
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Find least common multiple (LCM) of: 840 & 3840 210 & 960 1260 & 5760 140 & 640 2100 & 9600 84 & 384 840 & 1920 420 & 3840 1260 & 1920 420 & 5760 2100 & 1920 420 & 9600 2940 & 1920
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