# Find the LCM of 13 and 20

The least common multiple can be defined as the lowest positive integer that is a multiple of every number in a given set of numbers

## Answer: The LCM of 13 and 20 is 260

LCM can be calculated using various methods.

## Explanation:

Few of them are listed below:

- Prime factorization
- Using Formula

### LCM of 13 and 20 using Prime Factorization:

Let's prime factorise the numbers 13 and 20 as shown below and calculate the LCM

Thus, LCM of 13 and 20 is 260

### LCM of 13 and 20 using formula :

We know that,

LCM (p, q) = Product of the two numbers / Greatest common factor of the two numbers

The Greatest Common Factor of (13,20) = 1

Therefore by substituting we get,

LCM of 13 and 20 = (13 × 20) / 1

= 260

LCM of 13 and 20 = 260