Factors of 124

All factors of 124

Here are all 6 factors of 124, listed from smallest to largest.

Factor pairs of 124

These 3 pairs of whole numbers each multiply to give 124.

Prime factorization of 124

Dividing 124 by the smallest prime at each step gives its prime factorization:

The distinct prime factors of 124 are 2, 31. To factorize any other number, use the prime factorization calculator.

Factor tree of 124

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

Properties of 124

What makes 124 interesting

• 124 is a composite number, meaning it has more than two factors. It can be written as a product of smaller whole numbers in 3 different ways.
• 124 is a deficient number: its proper factors sum to 100, which is 24 less than 124 itself.

How to find the factors of 124 yourself

Divide 124 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 √124 ≈ 11.14, because every factor above that pairs with one below it.

Reading both columns gives every factor: 1, 2, 4, 31, 62, 124. The factor calculator does this automatically for any number.