Simplify Square Root of 12985

Here we will show you two methods that you can use to simplify the square root of 12985. In other words, we will show you how to find the square root of 12985 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.

√12985 = A√B

Greatest Perfect Square Factor Method
The Greatest Perfect Square Factor Method uses the greatest perfect square factor of 12985 to simplify the square root of 12985. 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 12985. The factors of 12985 are 1, 5, 7, 35, 49, 53, 245, 265, 371, 1855, 2597, and 12985. Furthermore, the greatest perfect square on this list is 49 and the square root of 49 is 7. Therefore, A equals 7.

B = Calculate 12985 divided by the greatest perfect square from the list of all factors of 12985. We determined above that the greatest perfect square from the list of all factors of 12985 is 49. Furthermore, 12985 divided by 49 is 265, therefore B equals 265.

Now we have A and B and can get our answer to 12985 in its simplest radical form as follows:

√12985 = A√B

√12985 = 7√265

Double Prime Factor Method
The Double Prime Factor Method uses the prime factors of 12985 to simplify the square root of 12985 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 12985 and then take the square root of that product. The prime factors that multiply together to make 12985 are 5 x 7 x 7 x 53. 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 12985 by the number (A) squared. 7 squared is 49 and 12985 divided by 49 is 265. Therefore, B equals 265.

Once again we have A and B and can get our answer to 12985 in its simplest radical form as follows:

√12985 = A√B

√12985 = 7√265

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Simplify Square Root of 12986
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