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The LCM of 28 and 640 is 4480.
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Find least common multiple (LCM) of: 56 & 1280 14 & 320 84 & 1920 140 & 3200 196 & 4480 56 & 640 28 & 1280 84 & 640 28 & 1920 140 & 640 28 & 3200 196 & 640 28 & 4480
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