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The LCM of 84 and 80 is 1680.
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Find least common multiple (LCM) of: 168 & 160 42 & 40 252 & 240 420 & 400 588 & 560 168 & 80 84 & 160 252 & 80 84 & 240 420 & 80 84 & 400 588 & 80 84 & 560
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