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The LCM of 640 and 1920 is 1920.
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Find least common multiple (LCM) of: 1280 & 3840 320 & 960 1920 & 5760 3200 & 9600 128 & 384 1280 & 1920 640 & 3840 1920 & 1920 640 & 5760 3200 & 1920 640 & 9600 4480 & 1920
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