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The LCM of 40 and 128 is 640.
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Find least common multiple (LCM) of: 80 & 256 20 & 64 120 & 384 200 & 640 280 & 896 80 & 128 40 & 256 120 & 128 40 & 384 200 & 128 40 & 640 280 & 128 40 & 896
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