LCM Calculator
Find the least common multiple of two or more numbers instantly.
How it works
- 1
Enter your numbers
Two or more whole numbers, separated by commas.
- 2
Get the LCM
The smallest number that all of them divide into evenly.
- 3
Use it for fractions
The LCM of the denominators is the common denominator for adding fractions.
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Frequently asked questions
For two numbers, LCM × GCD equals the product of the two numbers.
What the least common multiple is for
The LCM of two numbers is the smallest number that both divide into evenly. The LCM of 4 and 6 is 12.
It is essential for adding or comparing fractions with different denominators, and for scheduling problems like finding when two repeating events line up again.