# What is the LCM of 45 and 86?

LCM of 45 and 86 is the least number which is exactly divisible by 45 and 86.

# Answer: LCM of 45 and 86 is 3870

The least common multiple (LCM) of two or more numbers is the smallest number among all common multiples of the given numbers.

Look at the commonly used methods to find the LCM of 45 and 86

### LCM of 45 and 86 by Formula

The formula of LCM is

LCM (a,b) = (a × b) / GCF (a,b)

The Greatest Common Factor (GCF) of (45, 86) is 1. So, GCF (45, 86) = 1

So, the LCM of 45 and 86 by using the formula,

LCM (45, 86) = (45 × 86) / 1

= 3870/1

= 3870

LCM of 45 and 86 = 3870

### LCM of 45 and 86 by Common Division Method

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

Irrespective of the method, the solution to our question LCM of 45 and 86 is the same.