Factors of 70

All factors of 70

Here are all 8 factors of 70, listed from smallest to largest.

Factor pairs of 70

These 4 pairs of whole numbers each multiply to give 70.

Prime factorization of 70

Dividing 70 by the smallest prime at each step gives its prime factorization:

The distinct prime factors of 70 are 2, 5, 7. To factorize any other number, use the prime factorization calculator.

Factor tree of 70

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

Properties of 70

What makes 70 interesting

• 70 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.
• 70 is an abundant number: its proper factors sum to 74, which is 4 more than 70 itself.
• 70 has 3 distinct prime factors (2, 5, 7), which is why it has so many divisors.

How to find the factors of 70 yourself

Divide 70 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 √70 ≈ 8.37, because every factor above that pairs with one below it.

Reading both columns gives every factor: 1, 2, 5, 7, 10, 14, 35, 70. The factor calculator does this automatically for any number.