# What is the LCM of 9 and 27?

LCM of (9 and 27): The smallest number exactly divisible by 9 and 27

## Answer: LCM of 9 and 27 is 27

## Explanation:

The least common multiple is the smallest number which is exactly divisible by both the given numbers.

## Methods to Find LCM of 9 and 27

### LCM of 9 and 27 by Listing Method

- In this method, we list the first few multiples of 9 and 27 and identify the common multiples.
- The least among the common multiples is the LCM of 9 and 27

### LCM of 9 and 27 by Formula

Formula of LCM: LCM (a,b) = (a × b) / GCF (a, b)

The greatest common factor of (9,27) = 9

Therefore

LCM of 9 and 27 = (9 × 27) / 9

= 243/2

= 27

LCM of 9 and 27: 27

Both of the above methods get to the same answer.