LCM Calculator
Find the least common multiple of two whole numbers.
Calculate
Enter your values below.
Result
LCM
0
Formula used
LCM(a, b) = |a × b| ÷ GCD(a, b)
Example: LCM(4, 6) = 12.
How to use this calculator
- Enter First integer, Second integer.
- Press Calculate to see your result instantly.
FAQ
Frequently asked questions
What is the least common multiple?
The smallest positive number that both original numbers divide into evenly.
How is LCM calculated?
By dividing the product of the two numbers by their greatest common divisor (GCD).
Where is LCM used?
Common uses include finding a common denominator when adding fractions and scheduling repeating events.
Can I use negative numbers?
Enter positive whole numbers for a meaningful least common multiple.