Factors of 455

All factors of 455

Here are all 8 factors of 455, listed from smallest to largest.

Factor pairs of 455

These 4 pairs of whole numbers each multiply to give 455.

Prime factorization of 455

Dividing 455 by the smallest prime at each step gives its prime factorization:

The distinct prime factors of 455 are 5, 7, 13. To factorize any other number, use the prime factorization calculator.

Factor tree of 455

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

Properties of 455

What makes 455 interesting

• 455 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.
• 455 is a deficient number: its proper factors sum to 217, which is 238 less than 455 itself.
• 455 has 3 distinct prime factors (5, 7, 13), which is why it has so many divisors.

How to find the factors of 455 yourself

Divide 455 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 √455 ≈ 21.33, because every factor above that pairs with one below it.

Reading both columns gives every factor: 1, 5, 7, 13, 35, 65, 91, 455. The factor calculator does this automatically for any number.