Simplify Cube Root of 8421

Here we will show you step-by-step how to simplify the cube root of 8421. Before we continue, note that the cube root of 8421 can be written as follows:

∛8421

The ∛ symbol is called the radical sign. To simplify the cube root of 8421 means to get the simplest radical form of ∛8421.

We start by listing the factors of 8421 like so:

1, 3, 7, 21, 401, 1203, 2807, and 8421

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 8421 cannot be simplified.

Although we cannot simplify the cube root of 8421, we did enter the cube root of 8421 into our calculator and got the following answer to the cube root of 8421 in decimal form:

∛8421 ≈ 20.3449

You may also be interested to know that you can write the cube root of 8421 with an exponent instead of a radical like this:

∛8421 = 8421^⅓

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Simplify Cube Root of 8422
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* List of Perfect Cubes