What is the LCM of 15 and 75?
The LCM of 15 and 75 is 75.
Steps to find LCM
- Find the prime factorization of 15
15 = 3 × 5 - Find the prime factorization of 75
75 = 3 × 5 × 5 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:
LCM = 3 × 5 × 5 - LCM = 75
MathStep (Works offline)
Download our mobile app and learn how to find LCM of upto four numbers in your own time:
Android and iPhone/ iPad
Find least common multiple (LCM) of: 30 & 150 45 & 225 5 & 25 75 & 375 3 & 15 105 & 525 30 & 75 15 & 150 45 & 75 15 & 225 75 & 75 15 & 375 105 & 75 15 & 525
LCM Calculator
Enter two numbers separate by comma. To find least common multiple (LCM) of more than two numbers, click here.