Factors of 770

All factors of 770

Here are all 16 factors of 770, listed from smallest to largest.

Factor pairs of 770

These 8 pairs of whole numbers each multiply to give 770.

Prime factorization of 770

Dividing 770 by the smallest prime at each step gives its prime factorization:

The distinct prime factors of 770 are 2, 5, 7, 11. To factorize any other number, use the prime factorization calculator.

Factor tree of 770

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

Properties of 770

What makes 770 interesting

• 770 is a composite number, meaning it has more than two factors. It can be written as a product of smaller whole numbers in 8 different ways.
• 770 is an abundant number: its proper factors sum to 958, which is 188 more than 770 itself.
• 770 has 4 distinct prime factors (2, 5, 7, 11), which is why it has so many divisors.

How to find the factors of 770 yourself

Divide 770 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 √770 ≈ 27.75, because every factor above that pairs with one below it.

Reading both columns gives every factor: 1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770. The factor calculator does this automatically for any number.