Factors of 33

The factors of 33 are 1, 3, 11, 33. It has 4 factors.

Factors of 33

Pick any whole number from 1 to 10,000.

33 = 3 \times 11

How to work it out

1
A factor of 33 is a whole number that divides it with nothing left over. You only need to test the numbers up to √33 ≈ 5.74; 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.
$33 = 3 \times 11$
4
Add all the factors: 1 + 3 + 11 + 33 = 48. Without 33 itself that is 15, so 33 is a deficient number.

LaTeX source of the formulas on this page

\[ 33 = 3 \times 11 \]

Factor	Pairs with	Product
1	33	1 × 33 = 33
3	11	3 × 11 = 33

What are the factors of 33?

The factors of 33 are 1, 3, 11, 33. It has 4 factors.

What are the prime factors of 33?

3, 11. As a product: 3 × 11.

How many factors does 33 have?

33 has 4 factors (2 factor pairs).

What is the sum of the factors of 33?

48.

Is 33 a prime number?

No. It is divisible by 3, so 33 = 3 × 11.