Simplify Square Root of 78792

Here we will show you two methods that you can use to simplify the square root of 78792. In other words, we will show you how to find the square root of 78792 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.

√78792 = A√B

Greatest Perfect Square Factor Method
The Greatest Perfect Square Factor Method uses the greatest perfect square factor of 78792 to simplify the square root of 78792. 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 78792. The factors of 78792 are 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 67, 84, 98, 134, 147, 168, 196, 201, 268, 294, 392, 402, 469, 536, 588, 804, 938, 1176, 1407, 1608, 1876, 2814, 3283, 3752, 5628, 6566, 9849, 11256, 13132, 19698, 26264, 39396, and 78792. Furthermore, the greatest perfect square on this list is 196 and the square root of 196 is 14. Therefore, A equals 14.

B = Calculate 78792 divided by the greatest perfect square from the list of all factors of 78792. We determined above that the greatest perfect square from the list of all factors of 78792 is 196. Furthermore, 78792 divided by 196 is 402, therefore B equals 402.

Now we have A and B and can get our answer to 78792 in its simplest radical form as follows:

√78792 = A√B

√78792 = 14√402

Double Prime Factor Method
The Double Prime Factor Method uses the prime factors of 78792 to simplify the square root of 78792 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 78792 and then take the square root of that product. The prime factors that multiply together to make 78792 are 2 x 2 x 2 x 3 x 7 x 7 x 67. When we strip out the pairs only, we get 2 x 2 x 7 x 7 = 196 and the square root of 196 is 14. Therefore, A equals 14.

B = Divide 78792 by the number (A) squared. 14 squared is 196 and 78792 divided by 196 is 402. Therefore, B equals 402.

Once again we have A and B and can get our answer to 78792 in its simplest radical form as follows:

√78792 = A√B

√78792 = 14√402

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