Simplify Square Root of 31320

Here we will show you two methods that you can use to simplify the square root of 31320. In other words, we will show you how to find the square root of 31320 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.

√31320 = A√B

Greatest Perfect Square Factor Method
The Greatest Perfect Square Factor Method uses the greatest perfect square factor of 31320 to simplify the square root of 31320. 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 31320. The factors of 31320 are 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 90, 108, 116, 120, 135, 145, 174, 180, 216, 232, 261, 270, 290, 348, 360, 435, 522, 540, 580, 696, 783, 870, 1044, 1080, 1160, 1305, 1566, 1740, 2088, 2610, 3132, 3480, 3915, 5220, 6264, 7830, 10440, 15660, and 31320. Furthermore, the greatest perfect square on this list is 36 and the square root of 36 is 6. Therefore, A equals 6.

B = Calculate 31320 divided by the greatest perfect square from the list of all factors of 31320. We determined above that the greatest perfect square from the list of all factors of 31320 is 36. Furthermore, 31320 divided by 36 is 870, therefore B equals 870.

Now we have A and B and can get our answer to 31320 in its simplest radical form as follows:

√31320 = A√B

√31320 = 6√870

Double Prime Factor Method
The Double Prime Factor Method uses the prime factors of 31320 to simplify the square root of 31320 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 31320 and then take the square root of that product. The prime factors that multiply together to make 31320 are 2 x 2 x 2 x 3 x 3 x 3 x 5 x 29. When we strip out the pairs only, we get 2 x 2 x 3 x 3 = 36 and the square root of 36 is 6. Therefore, A equals 6.

B = Divide 31320 by the number (A) squared. 6 squared is 36 and 31320 divided by 36 is 870. Therefore, B equals 870.

Once again we have A and B and can get our answer to 31320 in its simplest radical form as follows:

√31320 = A√B

√31320 = 6√870

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Simplify Square Root of 31321
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