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The LCM of 4 and 80 is 80.
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Find least common multiple (LCM) of: 8 & 160 2 & 40 12 & 240 20 & 400 28 & 560 8 & 80 4 & 160 12 & 80 4 & 240 20 & 80 4 & 400 28 & 80 4 & 560
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