Factors of 603

3, 67. As a product: 3^2 × 67.

The factors of 603 are 1, 3, 9, 67, 201, 603. It has 6 factors.

Factors of 603

Pick any whole number from 1 to 10,000.

603 = 3^{2} \times 67

How to work it out

1
A factor of 603 is a whole number that divides it with nothing left over. You only need to test the numbers up to √603 ≈ 24.56; 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.
$603 = 3^{2} \times 67$
4
Add all the factors: 1 + 3 + 9 + 67 + 201 + 603 = 884. Without 603 itself that is 281, so 603 is a deficient number.

LaTeX source of the formulas on this page

\[ 603 = 3^{2} \times 67 \]

What are the factors of 603?

The factors of 603 are 1, 3, 9, 67, 201, 603. It has 6 factors.

What are the prime factors of 603?

3, 67. As a product: $3^{2}$ × 67.

How many factors does 603 have?

603 has 6 factors (3 factor pairs).

What is the sum of the factors of 603?

884.

Is 603 a prime number?

No. It is divisible by 3, so 603 = 3 × 201.