Simplify Cube Root of 126

Here we will show you step-by-step how to simplify the cube root of 126. Before we continue, note that the cube root of 126 can be written as follows:

∛126

The ∛ symbol is called the radical sign. To simplify the cube root of 126 means to get the simplest radical form of ∛126.

We start by listing the factors of 126 like so:

1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, and 126

Next, we identify the perfect cubes* from the list of factors above:

1

Since 1 is the only perfect cube above, the cube root of 126 cannot be simplified.

Although we cannot simplify the cube root of 126, we did enter the cube root of 126 into our calculator and got the following answer to the cube root of 126 in decimal form:

∛126 ≈ 5.0133

You may also be interested to know that you can write the cube root of 126 with an exponent instead of a radical like this:

∛126 = 126^⅓

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Simplify Cube Root of 127
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* List of Perfect Cubes