Cube Root of 323

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What is the cube root of 323?

Answer

∛323 ≈
6.8612

Real cube root: the only number whose cube is 323.

≈ — rounded to 4 decimal places. 323 is not the cube of a rational number, so ∛323 is irrational: its decimal expansion never ends and never repeats.

Prime factors
323 = 17 × 19
Take out of the root
No prime appears three times, so ∛323 is already in simplest form.
Between cubes
6³ = 216 < 323 < 343 = 7³, so 6 < ∛323 < 7 and ∛323 ≈ 6.8612

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FAQ

What is the cube root of 323?

∛323 ≈ 6.8612

Can ∛323 be simplified?

No: no prime appears three times in 323, so its only cube factor is 1 and ∛323 is already in simplest form. Since 6³ = 216 < 323 < 343 = 7³, ∛323 lies between 6 and 7: ∛323 ≈ 6.8612.

Is ∛323 a rational number?

No: 323 is not the cube of a rational number, and the cube root of a fraction p/q in lowest terms is rational only when p and q are both cubes. So ∛323 is irrational; its decimal never ends and never repeats: ∛323 ≈ 6.8612.