Simplify Square Root of 31428

Here we will show you two methods that you can use to simplify the square root of 31428. In other words, we will show you how to find the square root of 31428 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.

√31428 = A√B

Greatest Perfect Square Factor Method
The Greatest Perfect Square Factor Method uses the greatest perfect square factor of 31428 to simplify the square root of 31428. 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 31428. The factors of 31428 are 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 97, 108, 162, 194, 291, 324, 388, 582, 873, 1164, 1746, 2619, 3492, 5238, 7857, 10476, 15714, and 31428. Furthermore, the greatest perfect square on this list is 324 and the square root of 324 is 18. Therefore, A equals 18.

B = Calculate 31428 divided by the greatest perfect square from the list of all factors of 31428. We determined above that the greatest perfect square from the list of all factors of 31428 is 324. Furthermore, 31428 divided by 324 is 97, therefore B equals 97.

Now we have A and B and can get our answer to 31428 in its simplest radical form as follows:

√31428 = A√B

√31428 = 18√97

Double Prime Factor Method
The Double Prime Factor Method uses the prime factors of 31428 to simplify the square root of 31428 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 31428 and then take the square root of that product. The prime factors that multiply together to make 31428 are 2 x 2 x 3 x 3 x 3 x 3 x 97. When we strip out the pairs only, we get 2 x 2 x 3 x 3 x 3 x 3 = 324 and the square root of 324 is 18. Therefore, A equals 18.

B = Divide 31428 by the number (A) squared. 18 squared is 324 and 31428 divided by 324 is 97. Therefore, B equals 97.

Once again we have A and B and can get our answer to 31428 in its simplest radical form as follows:

√31428 = A√B

√31428 = 18√97

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Simplify Square Root of 31429
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