Factors of 873

3, 97. As a product: 3^2 × 97.

The factors of 873 are 1, 3, 9, 97, 291, 873. It has 6 factors.

Factors of 873

Pick any whole number from 1 to 10,000.

873 = 3^{2} \times 97

How to work it out

1
A factor of 873 is a whole number that divides it with nothing left over. You only need to test the numbers up to √873 ≈ 29.55; 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.
$873 = 3^{2} \times 97$
4
Add all the factors: 1 + 3 + 9 + 97 + 291 + 873 = 1274. Without 873 itself that is 401, so 873 is a deficient number.

LaTeX source of the formulas on this page

\[ 873 = 3^{2} \times 97 \]

What are the factors of 873?

The factors of 873 are 1, 3, 9, 97, 291, 873. It has 6 factors.

What are the prime factors of 873?

3, 97. As a product: $3^{2}$ × 97.

How many factors does 873 have?

873 has 6 factors (3 factor pairs).

What is the sum of the factors of 873?

1274.

Is 873 a prime number?

No. It is divisible by 3, so 873 = 3 × 291.