LCM Calculator – Least Common Multiple
Find the Least Common Multiple (LCM) of two numbers.
How It Works
Enter two positive integers. The tool computes GCD via the Euclidean algorithm, then derives LCM using the formula LCM = a × b / GCD.
Formula
LCM(a, b) = a × b / GCD(a, b)
Frequently Asked Questions
What is LCM?
The Least Common Multiple (LCM) is the smallest positive integer divisible by both numbers.
When is LCM useful?
LCM is used to add fractions, synchronize repeating events, and solve scheduling problems.