Solutions by everydaycalculation.com

The LCM of 6 and 9 is 18.

- Find the prime factorization of 6

6 = 2 × 3 - Find the prime factorization of 9

9 = 3 × 3 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 2 × 3 × 3 - LCM =
**18**

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Find least common multiple (LCM) of: 12 & 18 18 & 27 2 & 3 30 & 45 42 & 63 12 & 9 6 & 18 18 & 9 6 & 27 30 & 9 6 & 45 42 & 9 6 & 63

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