Factors of 266

All factors of 266

Here are all 8 factors of 266, listed from smallest to largest.

Factor pairs of 266

These 4 pairs of whole numbers each multiply to give 266.

Prime factorization of 266

Dividing 266 by the smallest prime at each step gives its prime factorization:

The distinct prime factors of 266 are 2, 7, 19. To factorize any other number, use the prime factorization calculator.

Factor tree of 266

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

Properties of 266

What makes 266 interesting

• 266 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.
• 266 is a deficient number: its proper factors sum to 214, which is 52 less than 266 itself.
• 266 has 3 distinct prime factors (2, 7, 19), which is why it has so many divisors.

How to find the factors of 266 yourself

Divide 266 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 √266 ≈ 16.31, because every factor above that pairs with one below it.

Reading both columns gives every factor: 1, 2, 7, 14, 19, 38, 133, 266. The factor calculator does this automatically for any number.