# What is the LCM of 7 and 15?

LCM of 7 and 15 is the least number which is exactly divisible by both of the given numbers,7 and 15.

## Answer: LCM of (7 and 15) is 105

## Explanation:

We will be using two different ways or methods to find the LCM of 7 and 15

## Methods to Find LCM of 7 and 15

### LCM of 7 and 15 through 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.

### LCM of 7 and 15 through Formula

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

The greatest common factor of (7,15): 1

Therefore

LCM of (7 and 15) = (7 × 15) / 1

= 105

LCM of 7 and 15: 105