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Unless there is a common factor, LCM is the product. 42 = 2 x 3 x 7; 66 = 2 x 3 x 11. There are common factors of 2 and 3 so one occurrence is to be ignored when multiplying ie 2 x 3 x 7 x 11 so LCM = 462 (11 x 42, 7 x 66)

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15y ago
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13y ago

The LCM of (42, 66) = 462

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Q: What is the least common multiple of 66 and 42?
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