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The LCM of 12, 18, and 42 is 252

2 x 2 x 3 = 12

2 x 3 x 3 = 18

2 x 3 x 7 = 42

2 x 2 x 3 x 3 x 7 = 252, the LCM

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Wiki User

7y ago
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Wiki User

14y ago

12 = 2 * 2 * 3

18 = 2 * 3 * 3

42 = 2 * 3 * 7

LCM = 2 * 3 * 2 * 3 * 7 = 252

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Anonymous

Lvl 1
4y ago

252

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Q: What is the least common multiple of 12 18 and 42?
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