LCM of 4 and 6

The least common multiple (LCM) of 4 and 6 is 12.

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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 4 and 6 is 12 — the smallest number divisible by both 4 and 6.

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.