What is the LCM of 40 and 54?
The LCM of 40 and 54 is 1080.
Steps to find LCM
- Find the prime factorization of 40
40 = 2 × 2 × 2 × 5 - Find the prime factorization of 54
54 = 2 × 3 × 3 × 3 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:
LCM = 2 × 2 × 2 × 3 × 3 × 3 × 5 - LCM = 1080
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: 80 & 108 20 & 27 120 & 162 200 & 270 280 & 378 80 & 54 40 & 108 120 & 54 40 & 162 200 & 54 40 & 270 280 & 54 40 & 378
LCM Calculator
Enter two numbers separate by comma. To find least common multiple (LCM) of more than two numbers, click here.