What is the LCM of 6 and 18?
The LCM of 6 and 18 is 18.
Steps to find LCM
- Find the prime factorization of 6
6 = 2 × 3 - Find the prime factorization of 18
18 = 2 × 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 & 36 3 & 9 18 & 54 2 & 6 30 & 90 42 & 126 12 & 18 6 & 36 18 & 18 6 & 54 30 & 18 6 & 90 42 & 18 6 & 126
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