Factors of 1018

All factors of 1018

Here are all 4 factors of 1018, listed from smallest to largest.

Factor pairs of 1018

These 2 pairs of whole numbers each multiply to give 1018.

Prime factorization of 1018

Dividing 1018 by the smallest prime at each step gives its prime factorization:

The distinct prime factors of 1018 are 2, 509. To factorize any other number, use the prime factorization calculator.

Factor tree of 1018

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

Properties of 1018

What makes 1018 interesting

• 1018 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.
• 1018 is a deficient number: its proper factors sum to 512, which is 506 less than 1018 itself.

How to find the factors of 1018 yourself

Divide 1018 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 √1018 ≈ 31.91, because every factor above that pairs with one below it.

Reading both columns gives every factor: 1, 2, 509, 1018. The factor calculator does this automatically for any number.