Simplify Square Root of 74921

Here we will show you two methods that you can use to simplify the square root of 74921. In other words, we will show you how to find the square root of 74921 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.

√74921 = A√B

Greatest Perfect Square Factor Method
The Greatest Perfect Square Factor Method uses the greatest perfect square factor of 74921 to simplify the square root of 74921. 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 74921. The factors of 74921 are 1, 7, 11, 49, 77, 139, 539, 973, 1529, 6811, 10703, and 74921. Furthermore, the greatest perfect square on this list is 49 and the square root of 49 is 7. Therefore, A equals 7.

B = Calculate 74921 divided by the greatest perfect square from the list of all factors of 74921. We determined above that the greatest perfect square from the list of all factors of 74921 is 49. Furthermore, 74921 divided by 49 is 1529, therefore B equals 1529.

Now we have A and B and can get our answer to 74921 in its simplest radical form as follows:

√74921 = A√B

√74921 = 7√1529

Double Prime Factor Method
The Double Prime Factor Method uses the prime factors of 74921 to simplify the square root of 74921 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 74921 and then take the square root of that product. The prime factors that multiply together to make 74921 are 7 x 7 x 11 x 139. When we strip out the pairs only, we get 7 x 7 = 49 and the square root of 49 is 7. Therefore, A equals 7.

B = Divide 74921 by the number (A) squared. 7 squared is 49 and 74921 divided by 49 is 1529. Therefore, B equals 1529.

Once again we have A and B and can get our answer to 74921 in its simplest radical form as follows:

√74921 = A√B

√74921 = 7√1529

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Simplify Square Root of 74922
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