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The LCM of 80 and 3 is 240.
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Find least common multiple (LCM) of: 160 & 6 240 & 9 400 & 15 560 & 21 160 & 3 80 & 6 240 & 3 80 & 9 400 & 3 80 & 15 560 & 3 80 & 21
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