Step 
<u>Find the factors of each number</u>
we know that

Step 
<u>Find the greatest common factor (GCF)</u>
the GCF is equal to----------> 
therefore
<u>the answer is</u>
The GCF is 
There are infinity answers to this.
But, if we are talking whole numbers, there are none
59 is prime
:)
I'm going to need more information before I can answer.
It's (5,2) , I took it already so here you go