# What is the LCM of 10,15 and 20?

Least Common Multiple of two or more numbers is the smallest number which is exactly divisible by the given numbers.

## Answer: LCM of 10, 15 and 20 is 60

Lets see how to find the LCM of 10,15 and 20

## Explanation:

LCM of 10, 15 and 20 is the least number which is exactly divisible by all three numbers.

## Methods to Find LCM of 10,15 and 20

We can find the LCM by the following methods:

- Listing the common factors Method
- Common Division Method

### LCM of 10,15 and 20 by Listing Method

In this method, we list the first few multiples of 10, 15 and 20 and identify the common multiples.

The least among the common multiples is the LCM of 10, 15 and 20

### LCM of 10,15 and 20 by Common Division Method

Here, we divide the numbers 10, 15 and 20 together with prime numbers. we will stop the division once we don't have a prime number to divide 10, 15 and 20.

LCM of 10,15 and 20 is** **2 * 2 * 3 * 5 which is equal to 60.

Irrespective of the method, the solution to our question LCM of 10, 15 and 20 is the same.