Simplify Square Root of 648

Here we will show you step-by-step how to simplify the square root of 648. The square root of 648 can be written as follows:


	√	648

The √ symbol is called the radical sign. To simplify the square root of 648 means to get the simplest radical form of √648.

Step 1: List Factors
List the factors of 648 like so:

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648

Step 2: Find Perfect Squares
Identify the perfect squares* from the list of factors above:

1, 4, 9, 36, 81, 324

Step 3: Divide
Divide 648 by the largest perfect square you found in the previous step:

648 / 324 = 2

Step 4: Calculate
Calculate the square root of the largest perfect square:

√324 = 18

Step 5: Get Answer
Put Steps 3 and 4 together to get the square root of 648 in its simplest form:


18	√	2

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Decimal Form
Square Root of 648 in Decimal form rounded to nearest 5 decimals:

25.45584

Exponent Form
Square Root of 648 written with Exponent instead of Radical:

648^½ = 18 x 2^½

Simplify Square Root of 649
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* List of Perfect Squares