What is the LCM of 72 and 8400?
The LCM of 72 and 8400 is 25200.
Steps to find LCM
- Find the prime factorization of 72
72 = 2 × 2 × 2 × 3 × 3 - Find the prime factorization of 8400
8400 = 2 × 2 × 2 × 2 × 3 × 5 × 5 × 7 - 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 × 5 × 5 × 7 - LCM = 25200
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: 36 & 4200 24 & 2800 144 & 8400 216 & 8400 360 & 8400 504 & 8400
LCM Calculator
Enter two numbers separate by comma. To find least common multiple (LCM) of more than two numbers, click here.