Factors of 1503

3, 167. As a product: 3^2 × 167.

The factors of 1503 are 1, 3, 9, 167, 501, 1503. It has 6 factors.

Factors of 1503

Pick any whole number from 1 to 10,000.

1503 = 3^{2} \times 167

How to work it out

1
A factor of 1503 is a whole number that divides it with nothing left over. You only need to test the numbers up to √1503 ≈ 38.77; 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.
$1503 = 3^{2} \times 167$
4
Add all the factors: 1 + 3 + 9 + 167 + 501 + 1503 = 2184. Without 1503 itself that is 681, so 1503 is a deficient number.

LaTeX source of the formulas on this page

\[ 1503 = 3^{2} \times 167 \]

What are the factors of 1503?

The factors of 1503 are 1, 3, 9, 167, 501, 1503. It has 6 factors.

What are the prime factors of 1503?

3, 167. As a product: $3^{2}$ × 167.

How many factors does 1503 have?

1503 has 6 factors (3 factor pairs).

What is the sum of the factors of 1503?

2184.

Is 1503 a prime number?

No. It is divisible by 3, so 1503 = 3 × 501.