Simplify Square Root of 78129

Here we will show you two methods that you can use to simplify the square root of 78129. In other words, we will show you how to find the square root of 78129 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.

√78129 = A√B

Greatest Perfect Square Factor Method
The Greatest Perfect Square Factor Method uses the greatest perfect square factor of 78129 to simplify the square root of 78129. 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 78129. The factors of 78129 are 1, 3, 9, 8681, 26043, and 78129. Furthermore, the greatest perfect square on this list is 9 and the square root of 9 is 3. Therefore, A equals 3.

B = Calculate 78129 divided by the greatest perfect square from the list of all factors of 78129. We determined above that the greatest perfect square from the list of all factors of 78129 is 9. Furthermore, 78129 divided by 9 is 8681, therefore B equals 8681.

Now we have A and B and can get our answer to 78129 in its simplest radical form as follows:

√78129 = A√B

√78129 = 3√8681

Double Prime Factor Method
The Double Prime Factor Method uses the prime factors of 78129 to simplify the square root of 78129 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 78129 and then take the square root of that product. The prime factors that multiply together to make 78129 are 3 x 3 x 8681. When we strip out the pairs only, we get 3 x 3 = 9 and the square root of 9 is 3. Therefore, A equals 3.

B = Divide 78129 by the number (A) squared. 3 squared is 9 and 78129 divided by 9 is 8681. Therefore, B equals 8681.

Once again we have A and B and can get our answer to 78129 in its simplest radical form as follows:

√78129 = A√B

√78129 = 3√8681

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Simplify Square Root of 78130
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