What is the LCM of 9 and 20?
The LCM of 9 and 20 is 180.
Steps to find LCM
- Find the prime factorization of 9
9 = 3 × 3 - Find the prime factorization of 20
20 = 2 × 2 × 5 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:
LCM = 2 × 2 × 3 × 3 × 5 - LCM = 180
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Find least common multiple (LCM) of: 18 & 40 27 & 60 45 & 100 63 & 140 18 & 20 9 & 40 27 & 20 9 & 60 45 & 20 9 & 100 63 & 20 9 & 140
LCM Calculator
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