Simplify Cube Root of 8

Here we will show you step-by-step how to simplify the cube root of 8. Before we continue, note that the cube root of 8 can be written as follows:

∛8

The ∛ symbol is called the radical sign. To simplify the cube root of 8 means to get the simplest radical form of ∛8.

We start by listing the factors of 8 like so:

1, 2, 4, and 8

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

1 and 8

Since 8 is on the list of perfect cubes above, it means that 8 is a perfect cube. 8 is a perfect cube because 2 times 2 times 2 equals 8.

That also means that you can simplify the cube root of 8 without the radical as follows:

∛8 = 2

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* List of Perfect Cubes