Simplify Square Root of 79128

Here we will show you two methods that you can use to simplify the square root of 79128. In other words, we will show you how to find the square root of 79128 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.

√79128 = A√B

Greatest Perfect Square Factor Method
The Greatest Perfect Square Factor Method uses the greatest perfect square factor of 79128 to simplify the square root of 79128. 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 79128. The factors of 79128 are 1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 157, 168, 252, 314, 471, 504, 628, 942, 1099, 1256, 1413, 1884, 2198, 2826, 3297, 3768, 4396, 5652, 6594, 8792, 9891, 11304, 13188, 19782, 26376, 39564, and 79128. Furthermore, the greatest perfect square on this list is 36 and the square root of 36 is 6. Therefore, A equals 6.

B = Calculate 79128 divided by the greatest perfect square from the list of all factors of 79128. We determined above that the greatest perfect square from the list of all factors of 79128 is 36. Furthermore, 79128 divided by 36 is 2198, therefore B equals 2198.

Now we have A and B and can get our answer to 79128 in its simplest radical form as follows:

√79128 = A√B

√79128 = 6√2198

Double Prime Factor Method
The Double Prime Factor Method uses the prime factors of 79128 to simplify the square root of 79128 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 79128 and then take the square root of that product. The prime factors that multiply together to make 79128 are 2 x 2 x 2 x 3 x 3 x 7 x 157. 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 79128 by the number (A) squared. 6 squared is 36 and 79128 divided by 36 is 2198. Therefore, B equals 2198.

Once again we have A and B and can get our answer to 79128 in its simplest radical form as follows:

√79128 = A√B

√79128 = 6√2198

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