What is the LCM of 840 and 135?
The LCM of 840 and 135 is 7560.
Steps to find LCM
- Find the prime factorization of 840
840 = 2 × 2 × 2 × 3 × 5 × 7 - Find the prime factorization of 135
135 = 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 × 3 × 3 × 3 × 5 × 7 - LCM = 7560
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: 1680 & 270 2520 & 405 280 & 45 4200 & 675 168 & 27 5880 & 945 1680 & 135 840 & 270 2520 & 135 840 & 405 4200 & 135 840 & 675 5880 & 135 840 & 945
LCM Calculator
Enter two numbers separate by comma. To find least common multiple (LCM) of more than two numbers, click here.