What is the LCM of 9 and 18?
The LCM of 9 and 18 is 18.
Steps to find LCM
- Find the prime factorization of 9
9 = 3 × 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: 18 & 36 27 & 54 3 & 6 45 & 90 63 & 126 18 & 18 9 & 36 27 & 18 9 & 54 45 & 18 9 & 90 63 & 18 9 & 126
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