Factors of 489
The factors of 489 are 1, 3, 163, and 489. In total, 489 has 4 factors. Its prime factorization is 3 × 163, and the sum of all its factors is 656.
All factors of 489
Here are all 4 factors of 489, listed from smallest to largest.
Factor pairs of 489
These 2 pairs of whole numbers each multiply to give 489.
Prime factorization of 489
Dividing 489 by the smallest prime at each step gives its prime factorization:
The distinct prime factors of 489 are 3, 163. To factorize any other number, use the prime factorization calculator.
Factor tree of 489
A factor tree shows the same prime factorization visually. Each composite branch splits until every endpoint is a prime number.
Properties of 489
| Number of factors | 4 |
|---|---|
| Sum of factors | 656 |
| Sum of proper factors | 167 |
| Prime factorization | 3 × 163 |
| Prime or composite? | Composite |
| Even or odd? | Odd |
| Perfect square? | No |
| Perfect cube? | No |
| Classification | Deficient |
What makes 489 interesting
- 489 is a composite number, meaning it has more than two factors. It can be written as a product of smaller whole numbers in 2 different ways.
- 489 is a deficient number: its proper factors sum to 167, which is 322 less than 489 itself.
How to find the factors of 489 yourself
Divide 489 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 √489 ≈ 22.11, because every factor above that pairs with one below it.
Reading both columns gives every factor: 1, 3, 163, 489. The factor calculator does this automatically for any number.
Related numbers
Numbers mathematically connected to 489.
Frequently asked questions about 489
What are the factors of 489?
Is 489 a prime number?
What is the prime factorization of 489?
What two numbers multiply to give 489?
What is the sum of the factors of 489?
Is 489 a perfect square?
What is the largest factor of 489 other than itself?
How many factors does 489 have?
Explore more
Try another number in the factor calculator, break 489 down further with the prime factorization calculator, or compare 489 with another number using the GCF calculator and LCM calculator. For divisor counts and sums, see the divisor calculator.