Simplify Square Root of 31218

Here we will show you two methods that you can use to simplify the square root of 31218. In other words, we will show you how to find the square root of 31218 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.

√31218 = A√B

Greatest Perfect Square Factor Method
The Greatest Perfect Square Factor Method uses the greatest perfect square factor of 31218 to simplify the square root of 31218. 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 31218. The factors of 31218 are 1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 121, 129, 242, 258, 363, 473, 726, 946, 1419, 2838, 5203, 10406, 15609, and 31218. Furthermore, the greatest perfect square on this list is 121 and the square root of 121 is 11. Therefore, A equals 11.

B = Calculate 31218 divided by the greatest perfect square from the list of all factors of 31218. We determined above that the greatest perfect square from the list of all factors of 31218 is 121. Furthermore, 31218 divided by 121 is 258, therefore B equals 258.

Now we have A and B and can get our answer to 31218 in its simplest radical form as follows:

√31218 = A√B

√31218 = 11√258

Double Prime Factor Method
The Double Prime Factor Method uses the prime factors of 31218 to simplify the square root of 31218 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 31218 and then take the square root of that product. The prime factors that multiply together to make 31218 are 2 x 3 x 11 x 11 x 43. When we strip out the pairs only, we get 11 x 11 = 121 and the square root of 121 is 11. Therefore, A equals 11.

B = Divide 31218 by the number (A) squared. 11 squared is 121 and 31218 divided by 121 is 258. Therefore, B equals 258.

Once again we have A and B and can get our answer to 31218 in its simplest radical form as follows:

√31218 = A√B

√31218 = 11√258

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Simplify Square Root of 31219
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