LCM Calculator
The LCM Calculator finds the smallest positive number that is a multiple of every number you enter, using an efficient GCD-based algorithm.
Least Common Multiple (LCM)
12
How to Use
- Enter two or more positive integers separated by commas.
- Click Calculate.
- View the Least Common Multiple of all entered numbers.
Formula
LCM via GCD
LCM(a, b) = (a × b) / GCD(a, b), extended pairwise for more numbers.
Example
LCM(4, 6) = 12.
Frequently Asked Questions
Related Tools
GCF Calculator
Find the Greatest Common Factor of two or more numbers.
Use toolAge Calculator
Calculate your exact age in years, months, and days.
Use toolBMI Calculator
Calculate your Body Mass Index from height and weight.
Use toolPercentage Calculator
Find percentages, increases, decreases, and differences.
Use tool