Simplify Square Root of 18540

Here we will show you two methods that you can use to simplify the square root of 18540. In other words, we will show you how to find the square root of 18540 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.

√18540 = A√B

Greatest Perfect Square Factor Method
The Greatest Perfect Square Factor Method uses the greatest perfect square factor of 18540 to simplify the square root of 18540. 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 18540. The factors of 18540 are 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1854, 2060, 3090, 3708, 4635, 6180, 9270, and 18540. Furthermore, the greatest perfect square on this list is 36 and the square root of 36 is 6. Therefore, A equals 6.

B = Calculate 18540 divided by the greatest perfect square from the list of all factors of 18540. We determined above that the greatest perfect square from the list of all factors of 18540 is 36. Furthermore, 18540 divided by 36 is 515, therefore B equals 515.

Now we have A and B and can get our answer to 18540 in its simplest radical form as follows:

√18540 = A√B

√18540 = 6√515

Double Prime Factor Method
The Double Prime Factor Method uses the prime factors of 18540 to simplify the square root of 18540 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 18540 and then take the square root of that product. The prime factors that multiply together to make 18540 are 2 x 2 x 3 x 3 x 5 x 103. When we strip out the pairs only, we get 2 x 2 x 3 x 3 = 36 and the square root of 36 is 6. Therefore, A equals 6.

B = Divide 18540 by the number (A) squared. 6 squared is 36 and 18540 divided by 36 is 515. Therefore, B equals 515.

Once again we have A and B and can get our answer to 18540 in its simplest radical form as follows:

√18540 = A√B

√18540 = 6√515

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