# How do you find the Gcf of 80 and 25?

##### 1 Answer

Dec 3, 2016

#### Answer:

5

#### Explanation:

List down the prime factors of both numbers. Align factors common to both numbers

<pre>

80 : 2 * 2 * 2 * 2 * 5

25 : 5 * 5

</pre>

Collate all common factors

<pre>

80 : 2 * 2 * 2 * 2 * 5

25 : 5 * 5

```
: 5
```

</pre>

The product of the collated common factors will be the GCF.