What is the LCM of 4 and 15?
The LCM of 4 and 15 is 60.
Steps to find LCM
- Find the prime factorization of 4
4 = 2 × 2 - 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 = 2 × 2 × 3 × 5 - LCM = 60
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