# What is the LCM of 19 and 57?

LCM of 19 and 57 is the smallest number which is exactly divisible by both 19 and 57.

## Answer: LCM of 19 and 57 is 57

Lets see how to find the LCM of 19 and 57

## Explanation:

Least Common Multiple is the smallest number in which the given number divides exactly.

We can find the LCM of the numbers in many ways.

Two methods to find the LCM of 19 and 57 are listed below.

## Methods to Find LCM of 19 and 57

Let us use the following methods to find the LCM of 19 and 57

- Common Division
- Formula

### Common Division Method to Find LCM of 19 and 57

In this division method, we divide the numbers simultaneously with prime numbers and stop it when we don't have a prime number to divide the given numbers.

### LCM of 19 and 57 by Formula

The formula of LCM is LCM (a,b) = (a × b) / GCF (a,b)

The Greatest Common Factor of (19,57) = 19

Therefore

LCM (19, 57) = (19 × 57) / GCF (19, 57)

= (19 × 57) / 19

= 1083/19

= 57

LCM of 19 and 57 = 57

So, LCM of 19 and 57 is 57

Using any of the methods, the solution to our question LCM of 19 and 57 is the same.