Factors of 290

All factors of 290

Here are all 8 factors of 290, listed from smallest to largest.

Factor pairs of 290

These 4 pairs of whole numbers each multiply to give 290.

Prime factorization of 290

Dividing 290 by the smallest prime at each step gives its prime factorization:

The distinct prime factors of 290 are 2, 5, 29. To factorize any other number, use the prime factorization calculator.

Factor tree of 290

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

Properties of 290

What makes 290 interesting

• 290 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.
• 290 is a deficient number: its proper factors sum to 250, which is 40 less than 290 itself.
• 290 has 3 distinct prime factors (2, 5, 29), which is why it has so many divisors.

How to find the factors of 290 yourself

Divide 290 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 √290 ≈ 17.03, because every factor above that pairs with one below it.

Reading both columns gives every factor: 1, 2, 5, 10, 29, 58, 145, 290. The factor calculator does this automatically for any number.