Factors of 1689
The factors of 1689 are 1, 3, 563, 1689. It has 4 factors.
Factors of 1689
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 1689 is a whole number that divides it with nothing left over. You only need to test the numbers up to ā1689 ā 41.10; 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 + 563 + 1689 = 2256. Without 1689 itself that is 567, so 1689 is a deficient number.
LaTeX source of the formulas on this page
\[ 1689 = 3 \times 563 \]
Factor pairs of 1689
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 1689 | 1 Ć 1689 = 1689 |
| 3 | 563 | 3 Ć 563 = 1689 |
Questions
What are the factors of 1689?
The factors of 1689 are 1, 3, 563, 1689. It has 4 factors.
What are the prime factors of 1689?
3, 563. As a product: 3 Ć 563.
How many factors does 1689 have?
1689 has 4 factors (2 factor pairs).
What is the sum of the factors of 1689?
2256.
Is 1689 a prime number?
No. It is divisible by 3, so 1689 = 3 Ć 563.