Factors of 33

All factors of 33

Here are all 4 factors of 33, listed from smallest to largest.

Factor pairs of 33

These 2 pairs of whole numbers each multiply to give 33.

Prime factorization of 33

Dividing 33 by the smallest prime at each step gives its prime factorization:

The distinct prime factors of 33 are 3, 11. To factorize any other number, use the prime factorization calculator.

Factor tree of 33

A factor tree shows the same prime factorization visually. Each composite branch splits until every endpoint is a prime number.

Properties of 33

What makes 33 interesting

• 33 is a composite number, meaning it has more than two factors. It can be written as a product of smaller whole numbers in 2 different ways.
• 33 is a deficient number: its proper factors sum to 15, which is 18 less than 33 itself.

How to find the factors of 33 yourself

Divide 33 by each whole number starting from 1. Whenever the division leaves no remainder, both the divisor and the quotient are factors. You only need to test up to √33 ≈ 5.74, because every factor above that pairs with one below it.

Reading both columns gives every factor: 1, 3, 11, 33. The factor calculator does this automatically for any number.