How do you find the Gcf of 80 and 25?
1 Answer
Dec 3, 2016
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.
