# How do you find the greatest common factor of #140n, 140m^2, 80m^2#?

##### 1 Answer

Dec 11, 2016

#### Answer:

Factorize. But you can see at a glance that the letters have no common factor.

#### Explanation:

So we're left with finding the GCF of

So the GCF

**Note:**

Of course you could factorize all the way down to the primes: