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The LCM of 21 and 198 is 1386.
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Find least common multiple (LCM) of: 42 & 396 63 & 594 7 & 66 105 & 990 147 & 1386 42 & 198 21 & 396 63 & 198 21 & 594 105 & 198 21 & 990 147 & 198 21 & 1386
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