What is the least common multiple of 4 , 12 and 18?

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What is the least common multiple of 4 , 12 and 18?surpriseblush

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1 Answer

4 = 2 * 2

12 = 2 * 2 * 3

18 = 2 * 3 * 3

The least common multiple (LCM) is like a parts list with enough parts to make 4, 12, or 18.  In this case that's 2 * 2 * 3 * 3 because that's enough parts to make 4, 12, or 18.

2 * 2 * 3 * 3 = 36

Answer:  The LCM is 36.
by Level 13 User (103k points)

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