Simplify Cube Root of 15

Here we will show you step-by-step how to simplify the cube root of 15. Before we continue, note that the cube root of 15 can be written as follows:

∛15

The ∛ symbol is called the radical sign. To simplify the cube root of 15 means to get the simplest radical form of ∛15.

We start by listing the factors of 15 like so:

1, 3, 5, and 15

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 15 cannot be simplified.

Although we cannot simplify the cube root of 15, we did enter the cube root of 15 into our calculator and got the following answer to the cube root of 15 in decimal form:

∛15 ≈ 2.4662

You may also be interested to know that you can write the cube root of 15 with an exponent instead of a radical like this:

∛15 = 15^⅓

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* List of Perfect Cubes