What is the LCM of 9 and 15?
The LCM of 9 and 15 is 45.
Steps to find LCM
- Find the prime factorization of 9
9 = 3 × 3 - Find the prime factorization of 15
15 = 3 × 5 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:
LCM = 3 × 3 × 5 - LCM = 45
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Find least common multiple (LCM) of: 18 & 30 27 & 45 3 & 5 45 & 75 63 & 105 18 & 15 9 & 30 27 & 15 9 & 45 45 & 15 9 & 75 63 & 15 9 & 105
LCM Calculator
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