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The LCM of 80 and 20 is 80.
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Find least common multiple (LCM) of: 160 & 40 40 & 10 240 & 60 400 & 100 16 & 4 560 & 140 160 & 20 80 & 40 240 & 20 80 & 60 400 & 20 80 & 100 560 & 20 80 & 140
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