LCM of 12 and 18
The least common multiple (LCM) of 12 and 18 is 36.
How to use this tool
- Enter first number and second number in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your lcm and the full breakdown beneath it.
The LCM of 12 and 18 is 36, the smallest number evenly divisible by both 12 and 18.
Frequently asked questions
- What is LCM?
- The Least Common Multiple (LCM) of two integers is the smallest positive integer that is divisible by both numbers.