Simplify Square Root of 8320

Here we will show you two methods that you can use to simplify the square root of 8320. In other words, we will show you how to find the square root of 8320 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.

√8320 = A√B

Greatest Perfect Square Factor Method
The Greatest Perfect Square Factor Method uses the greatest perfect square factor of 8320 to simplify the square root of 8320. 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 8320. The factors of 8320 are 1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, and 8320. Furthermore, the greatest perfect square on this list is 64 and the square root of 64 is 8. Therefore, A equals 8.

B = Calculate 8320 divided by the greatest perfect square from the list of all factors of 8320. We determined above that the greatest perfect square from the list of all factors of 8320 is 64. Furthermore, 8320 divided by 64 is 130, therefore B equals 130.

Now we have A and B and can get our answer to 8320 in its simplest radical form as follows:

√8320 = A√B

√8320 = 8√130

Double Prime Factor Method
The Double Prime Factor Method uses the prime factors of 8320 to simplify the square root of 8320 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 8320 and then take the square root of that product. The prime factors that multiply together to make 8320 are 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5 x 13. When we strip out the pairs only, we get 2 x 2 x 2 x 2 x 2 x 2 = 64 and the square root of 64 is 8. Therefore, A equals 8.

B = Divide 8320 by the number (A) squared. 8 squared is 64 and 8320 divided by 64 is 130. Therefore, B equals 130.

Once again we have A and B and can get our answer to 8320 in its simplest radical form as follows:

√8320 = A√B

√8320 = 8√130

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