Simplify Square Root of 4

What is the square root of 4 in its simplest radical form? To be more specific, we have created an illustration below showing what we want to calculate. Our goal is to make "A" outside the radical (√) as large as possible, and "B" inside the radical (√) as small as possible.

√4 = A√B

It is very easy to simplify the square root of 4 because 4 is a perfect square. The square root of 4 equals a whole number and you can get rid of the radical all together. Thus, here is the answer to the square root of 4 in its simplest form:

√ 4 = 2

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