Factors of 209
The factors of 209 are 1, 11, 19, 209. It has 4 factors.
Factors of 209
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 209 is a whole number that divides it with nothing left over. You only need to test the numbers up to ā209 ā 14.46; 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 + 11 + 19 + 209 = 240. Without 209 itself that is 31, so 209 is a deficient number.
LaTeX source of the formulas on this page
\[ 209 = 11 \times 19 \]
Factor pairs of 209
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 209 | 1 Ć 209 = 209 |
| 11 | 19 | 11 Ć 19 = 209 |
Questions
What are the factors of 209?
The factors of 209 are 1, 11, 19, 209. It has 4 factors.
What are the prime factors of 209?
11, 19. As a product: 11 Ć 19.
How many factors does 209 have?
209 has 4 factors (2 factor pairs).
What is the sum of the factors of 209?
240.
Is 209 a prime number?
No. It is divisible by 11, so 209 = 11 Ć 19.