What is the LCM of 720 and 810?
The LCM of 720 and 810 is 6480.
Steps to find LCM
- Find the prime factorization of 720
720 = 2 × 2 × 2 × 2 × 3 × 3 × 5 - Find the prime factorization of 810
810 = 2 × 3 × 3 × 3 × 3 × 5 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:
LCM = 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 - LCM = 6480
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