GRE Math : How to find the common factors of squares
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Example Questions
Example Question #11 : Simplifying Square Roots
Find the square root of 
To simplify, we must try to find factors which are perfect squares. In this case 4 is a factor of 164 and is also a perfect square.
To find the square root of 
Example Question #12 : Simplifying Square Roots
Reduce.
Use the following arithmetic steps to reduce 
To simplify, we must try to find factors which are perfect squares. In this case 64 is a factor of 192 and is also a perfect square.
Note 
Example Question #13 : Basic Squaring / Square Roots
Reduce.
To reduce this expression, first find factors of 
To simplify, we must try to find factors which are perfect squares. In this case 16 is a factor of 368 and is also a perfect square.
The solution is:
Example Question #14 : Basic Squaring / Square Roots
Find the square root of 
To reduce this expression, first find factors of 
To simplify, we must try to find factors which are perfect squares. In this case 16 is a factor of 416 and is also a perfect square.
The solution is:
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