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The LCM of 640 and 24 is 1920.
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Find least common multiple (LCM) of: 1280 & 48 320 & 12 1920 & 72 3200 & 120 4480 & 168 1280 & 24 640 & 48 1920 & 24 640 & 72 3200 & 24 640 & 120 4480 & 24 640 & 168
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