What is the LCM of 80 and 84?
The LCM of 80 and 84 is 1680.
Steps to find LCM
- Find the prime factorization of 80
80 = 2 × 2 × 2 × 2 × 5 - Find the prime factorization of 84
84 = 2 × 2 × 3 × 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 × 5 × 7 - LCM = 1680
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: 160 & 168 40 & 42 240 & 252 400 & 420 560 & 588 160 & 84 80 & 168 240 & 84 80 & 252 400 & 84 80 & 420 560 & 84 80 & 588
LCM Calculator
Enter two numbers separate by comma. To find least common multiple (LCM) of more than two numbers, click here.