# What is the LCM of 30 and 42?

The Least Common Multiple of two numbers is the smallest number (not zero) that is a multiple of both.

## Answer: LCM of 30 and 42 is 210

LCM of 30 and 42 by Listing Method

In this method, we list the first few multiples of 30 and 42 and identify the common multiples.

The least among the common multiples is the LCM of 30 and 42 which is 210

### LCM of 30 and 42 by Common Division Method

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.