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The cube root of a number x is a value a such that a³ = x. In other words, you are looking for the number that, multiplied by itself three times, gives you x. Cube roots can be positive, negative, or zero, unlike square roots.

Trinn-for-trinn guide

1. 1Express the number as a product of prime factors
2. 2Group prime factors into sets of three
3. 3Take one factor from each group of three
4. 4Multiply the results — that is the cube root

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