LCM Calculator
LCM of Two Numbers
Calculate the least common multiple of two numbers
LCM of Three Numbers
Calculate the least common multiple of three numbers
Formula
LCM(a, b) = (a x b) / GCF(a, b)
Frequently Asked Questions
What is the Least Common Multiple (LCM)?
The LCM of two or more numbers is the smallest positive integer that is divisible by all of them. For example, the LCM of 4 and 6 is 12.
How is LCM related to GCF?
LCM and GCF are related by the formula: LCM(a, b) = (a x b) / GCF(a, b). Knowing one helps you find the other.