What is the LCM of 12 and 1680?
The LCM of 12 and 1680 is 1680.
Steps to find LCM
- Find the prime factorization of 12
12 = 2 × 2 × 3 - Find the prime factorization of 1680
1680 = 2 × 2 × 2 × 2 × 3 × 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 × 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: 24 & 3360 6 & 840 36 & 5040 4 & 560 60 & 8400 24 & 1680 12 & 3360 36 & 1680 12 & 5040 60 & 1680 12 & 8400 84 & 1680
LCM Calculator
Enter two numbers separate by comma. To find least common multiple (LCM) of more than two numbers, click here.