# C Program to Find LCM of two Numbers1 min read

This tutorial will teach you how to find the LCM (Least Common Multiple) of two numbers in C. To understand this example, you should have knowledge of the following C programming topics.

The LCM (Least Common Multiple) of two integers is the smallest positive integer that is perfectly divisible by both the numbers  (without a remainder). For example, the LCM of 30 and 40 is 120.

## Find LCM in C using loop

Output:

`Enter 2 positive integers: 30 40 The LCM of 30 and 40 is: 120`

## C Program to Find LCM using GCD

Output:

`Enter 2 positive integers: 30 40 The LCM of 30 and 40: 120`

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