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The LCM of 40 and 136 is 680.
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Find least common multiple (LCM) of: 80 & 272 20 & 68 120 & 408 200 & 680 280 & 952 80 & 136 40 & 272 120 & 136 40 & 408 200 & 136 40 & 680 280 & 136 40 & 952
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