Factors of 1173

All factors of 1173

Here are all 8 factors of 1173, listed from smallest to largest.

Factor pairs of 1173

These 4 pairs of whole numbers each multiply to give 1173.

Prime factorization of 1173

Dividing 1173 by the smallest prime at each step gives its prime factorization:

The distinct prime factors of 1173 are 3, 17, 23. To factorize any other number, use the prime factorization calculator.

Factor tree of 1173

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

Properties of 1173

What makes 1173 interesting

• 1173 is a composite number, meaning it has more than two factors. It can be written as a product of smaller whole numbers in 4 different ways.
• 1173 is a deficient number: its proper factors sum to 555, which is 618 less than 1173 itself.
• 1173 has 3 distinct prime factors (3, 17, 23), which is why it has so many divisors.

How to find the factors of 1173 yourself

Divide 1173 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 √1173 ≈ 34.25, because every factor above that pairs with one below it.

Reading both columns gives every factor: 1, 3, 17, 23, 51, 69, 391, 1173. The factor calculator does this automatically for any number.