Factors of 318

All factors of 318

Here are all 8 factors of 318, listed from smallest to largest.

Factor pairs of 318

These 4 pairs of whole numbers each multiply to give 318.

Prime factorization of 318

Dividing 318 by the smallest prime at each step gives its prime factorization:

The distinct prime factors of 318 are 2, 3, 53. To factorize any other number, use the prime factorization calculator.

Factor tree of 318

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

Properties of 318

What makes 318 interesting

• 318 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.
• 318 is an abundant number: its proper factors sum to 330, which is 12 more than 318 itself.
• 318 has 3 distinct prime factors (2, 3, 53), which is why it has so many divisors.

How to find the factors of 318 yourself

Divide 318 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 √318 ≈ 17.83, because every factor above that pairs with one below it.

Reading both columns gives every factor: 1, 2, 3, 6, 53, 106, 159, 318. The factor calculator does this automatically for any number.