Factors of 324

2, 3. As a product: 2^2 × 3^4.

The factors of 324 are 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324. It has 15 factors.

Factors of 324

Pick any whole number from 1 to 10,000.

324 = 2^{2} \times 3^{4}

How to work it out

1
A factor of 324 is a whole number that divides it with nothing left over. You only need to test the numbers up to √324 ≈ 18.00; every one that divides gives a pair.
2
The factor pairs are listed in the table below. Together they give 15 factors.
3
Prime factorisation: keep dividing by the smallest prime that fits.
$324 = 2^{2} \times 3^{4}$
4
Add all the factors: the sum is 847. Without 324 itself that is 523, so 324 is an abundant number.

LaTeX source of the formulas on this page

\[ 324 = 2^{2} \times 3^{4} \]

What are the factors of 324?

The factors of 324 are 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324. It has 15 factors.

What are the prime factors of 324?

2, 3. As a product: $2^{2}$ × $3^{4}$ .

How many factors does 324 have?

324 has 15 factors (8 factor pairs, one of them 18 × 18).

What is the sum of the factors of 324?

847.

Is 324 a prime number?

No. It is divisible by 2, so 324 = 2 × 162.