Factors of 801

3, 89. As a product: 3^2 × 89.

The factors of 801 are 1, 3, 9, 89, 267, 801. It has 6 factors.

Factors of 801

Pick any whole number from 1 to 10,000.

801 = 3^{2} \times 89

How to work it out

1
A factor of 801 is a whole number that divides it with nothing left over. You only need to test the numbers up to √801 ≈ 28.30; every one that divides gives a pair.
2
The factor pairs are listed in the table below. Together they give 6 factors.
3
Prime factorisation: keep dividing by the smallest prime that fits.
$801 = 3^{2} \times 89$
4
Add all the factors: 1 + 3 + 9 + 89 + 267 + 801 = 1170. Without 801 itself that is 369, so 801 is a deficient number.

LaTeX source of the formulas on this page

\[ 801 = 3^{2} \times 89 \]

What are the factors of 801?

The factors of 801 are 1, 3, 9, 89, 267, 801. It has 6 factors.

What are the prime factors of 801?

3, 89. As a product: $3^{2}$ × 89.

How many factors does 801 have?

801 has 6 factors (3 factor pairs).

What is the sum of the factors of 801?

1170.

Is 801 a prime number?

No. It is divisible by 3, so 801 = 3 × 267.