# What is the least common denominator of 6, 15, 40?

##### 1 Answer

Nov 10, 2016

You'll have to factorize into primes first:

#### Explanation:

Then you take all factors to the highest power present in each one of them:

**Check your answer!**

And these have no common factor between the three of them.

(or else it wouldn't be the *least* common denominator)