Factors of 1003

The factors of 1003 are 1, 17, 59, 1003. It has 4 factors.

Factors of 1003

Pick any whole number from 1 to 10,000.

1003 = 17 \times 59

How to work it out

1
A factor of 1003 is a whole number that divides it with nothing left over. You only need to test the numbers up to √1003 ≈ 31.67; every one that divides gives a pair.
2
The factor pairs are listed in the table below. Together they give 4 factors.
3
Prime factorisation: keep dividing by the smallest prime that fits.
$1003 = 17 \times 59$
4
Add all the factors: 1 + 17 + 59 + 1003 = 1080. Without 1003 itself that is 77, so 1003 is a deficient number.

LaTeX source of the formulas on this page

\[ 1003 = 17 \times 59 \]

Factor	Pairs with	Product
1	1003	1 × 1003 = 1003
17	59	17 × 59 = 1003

What are the factors of 1003?

The factors of 1003 are 1, 17, 59, 1003. It has 4 factors.

What are the prime factors of 1003?

17, 59. As a product: 17 × 59.

How many factors does 1003 have?

1003 has 4 factors (2 factor pairs).

What is the sum of the factors of 1003?

1080.

Is 1003 a prime number?

No. It is divisible by 17, so 1003 = 17 × 59.