Simplify Square Root of 20624

Here we will show you two methods that you can use to simplify the square root of 20624. In other words, we will show you how to find the square root of 20624 in its simplest radical form using two different methods.

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.

√20624 = A√B

Greatest Perfect Square Factor Method
The Greatest Perfect Square Factor Method uses the greatest perfect square factor of 20624 to simplify the square root of 20624. This is how to calculate A and B using this method:

A = Calculate the square root of the greatest perfect square from the list of all factors of 20624. The factors of 20624 are 1, 2, 4, 8, 16, 1289, 2578, 5156, 10312, and 20624. Furthermore, the greatest perfect square on this list is 16 and the square root of 16 is 4. Therefore, A equals 4.

B = Calculate 20624 divided by the greatest perfect square from the list of all factors of 20624. We determined above that the greatest perfect square from the list of all factors of 20624 is 16. Furthermore, 20624 divided by 16 is 1289, therefore B equals 1289.

Now we have A and B and can get our answer to 20624 in its simplest radical form as follows:

√20624 = A√B

√20624 = 4√1289

Double Prime Factor Method
The Double Prime Factor Method uses the prime factors of 20624 to simplify the square root of 20624 to its simplest form possible. This is how to calculate A and B using this method:

A = Multiply all the double prime factors (pairs) of 20624 and then take the square root of that product. The prime factors that multiply together to make 20624 are 2 x 2 x 2 x 2 x 1289. When we strip out the pairs only, we get 2 x 2 x 2 x 2 = 16 and the square root of 16 is 4. Therefore, A equals 4.

B = Divide 20624 by the number (A) squared. 4 squared is 16 and 20624 divided by 16 is 1289. Therefore, B equals 1289.

Once again we have A and B and can get our answer to 20624 in its simplest radical form as follows:

√20624 = A√B

√20624 = 4√1289

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