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The LCM of 42 and 39 is 546.
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Find least common multiple (LCM) of: 84 & 78 126 & 117 14 & 13 210 & 195 294 & 273 84 & 39 42 & 78 126 & 39 42 & 117 210 & 39 42 & 195 294 & 39 42 & 273
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