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The LCM of 68 and 42 is 1428.
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Find least common multiple (LCM) of: 136 & 84 34 & 21 204 & 126 340 & 210 476 & 294 136 & 42 68 & 84 204 & 42 68 & 126 340 & 42 68 & 210 476 & 42 68 & 294
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