Simplify Square Root of 77408

Here we will show you two methods that you can use to simplify the square root of 77408. In other words, we will show you how to find the square root of 77408 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.

√77408 = A√B

Greatest Perfect Square Factor Method
The Greatest Perfect Square Factor Method uses the greatest perfect square factor of 77408 to simplify the square root of 77408. 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 77408. The factors of 77408 are 1, 2, 4, 8, 16, 32, 41, 59, 82, 118, 164, 236, 328, 472, 656, 944, 1312, 1888, 2419, 4838, 9676, 19352, 38704, and 77408. Furthermore, the greatest perfect square on this list is 16 and the square root of 16 is 4. Therefore, A equals 4.

B = Calculate 77408 divided by the greatest perfect square from the list of all factors of 77408. We determined above that the greatest perfect square from the list of all factors of 77408 is 16. Furthermore, 77408 divided by 16 is 4838, therefore B equals 4838.

Now we have A and B and can get our answer to 77408 in its simplest radical form as follows:

√77408 = A√B

√77408 = 4√4838

Double Prime Factor Method
The Double Prime Factor Method uses the prime factors of 77408 to simplify the square root of 77408 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 77408 and then take the square root of that product. The prime factors that multiply together to make 77408 are 2 x 2 x 2 x 2 x 2 x 41 x 59. 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 77408 by the number (A) squared. 4 squared is 16 and 77408 divided by 16 is 4838. Therefore, B equals 4838.

Once again we have A and B and can get our answer to 77408 in its simplest radical form as follows:

√77408 = A√B

√77408 = 4√4838

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Simplify Square Root of 77409
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