Simplify Square Root of 71728

Here we will show you two methods that you can use to simplify the square root of 71728. In other words, we will show you how to find the square root of 71728 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.

√71728 = A√B

Greatest Perfect Square Factor Method
The Greatest Perfect Square Factor Method uses the greatest perfect square factor of 71728 to simplify the square root of 71728. 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 71728. The factors of 71728 are 1, 2, 4, 8, 16, 4483, 8966, 17932, 35864, and 71728. Furthermore, the greatest perfect square on this list is 16 and the square root of 16 is 4. Therefore, A equals 4.

B = Calculate 71728 divided by the greatest perfect square from the list of all factors of 71728. We determined above that the greatest perfect square from the list of all factors of 71728 is 16. Furthermore, 71728 divided by 16 is 4483, therefore B equals 4483.

Now we have A and B and can get our answer to 71728 in its simplest radical form as follows:

√71728 = A√B

√71728 = 4√4483

Double Prime Factor Method
The Double Prime Factor Method uses the prime factors of 71728 to simplify the square root of 71728 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 71728 and then take the square root of that product. The prime factors that multiply together to make 71728 are 2 x 2 x 2 x 2 x 4483. When we strip out the pairs only, we get 2 x 2 x 2 x 2 = 16 and the square root of 16 is 4. Therefore, A equals 4.

B = Divide 71728 by the number (A) squared. 4 squared is 16 and 71728 divided by 16 is 4483. Therefore, B equals 4483.

Once again we have A and B and can get our answer to 71728 in its simplest radical form as follows:

√71728 = A√B

√71728 = 4√4483

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Simplify Square Root of 71729
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