Factors of 489
The factors of 489 are 1, 3, 163, 489. It has 4 factors.
Factors of 489
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 489 is a whole number that divides it with nothing left over. You only need to test the numbers up to ā489 ā 22.11; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 4 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: 1 + 3 + 163 + 489 = 656. Without 489 itself that is 167, so 489 is a deficient number.
LaTeX source of the formulas on this page
\[ 489 = 3 \times 163 \]
Factor pairs of 489
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 489 | 1 Ć 489 = 489 |
| 3 | 163 | 3 Ć 163 = 489 |
Questions
What are the factors of 489?
The factors of 489 are 1, 3, 163, 489. It has 4 factors.
What are the prime factors of 489?
3, 163. As a product: 3 Ć 163.
How many factors does 489 have?
489 has 4 factors (2 factor pairs).
What is the sum of the factors of 489?
656.
Is 489 a prime number?
No. It is divisible by 3, so 489 = 3 Ć 163.