Factors of 1081

All factors of 1081

Here are all 4 factors of 1081, listed from smallest to largest.

Factor pairs of 1081

These 2 pairs of whole numbers each multiply to give 1081.

Prime factorization of 1081

Dividing 1081 by the smallest prime at each step gives its prime factorization:

The distinct prime factors of 1081 are 23, 47. To factorize any other number, use the prime factorization calculator.

Factor tree of 1081

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

Properties of 1081

What makes 1081 interesting

• 1081 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.
• 1081 is a deficient number: its proper factors sum to 71, which is 1010 less than 1081 itself.
• 1081 is a triangular number — it is the sum of the first 46 whole numbers (1 + 2 + … + 46 = 1081).

How to find the factors of 1081 yourself

Divide 1081 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 √1081 ≈ 32.88, because every factor above that pairs with one below it.

Reading both columns gives every factor: 1, 23, 47, 1081. The factor calculator does this automatically for any number.