Factors of 9955
The factors of 9955 are 1, 5, 11, 55, 181, 905, 1991, 9955. It has 8 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 9955 is a whole number that divides it with nothing left over. You only need to test the numbers up to √9955 ≈ 99.77; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 8 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: 1 + 5 + 11 + 55 + 181 + 905 + 1991 + 9955 = 13104. Without 9955 itself that is 3149, so 9955 is a deficient number.
LaTeX source of the formulas on this page
\[ 9955 = 5 \times 11 \times 181 \]
Factor pairs of 9955
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 9955 | 1 × 9955 = 9955 |
| 5 | 1991 | 5 × 1991 = 9955 |
| 11 | 905 | 11 × 905 = 9955 |
| 55 | 181 | 55 × 181 = 9955 |
Questions
What are the factors of 9955?
The factors of 9955 are 1, 5, 11, 55, 181, 905, 1991, 9955. It has 8 factors.
What are the prime factors of 9955?
5, 11, 181. As a product: 5 × 11 × 181.
How many factors does 9955 have?
9955 has 8 factors (4 factor pairs).
What is the sum of the factors of 9955?
13104.
Is 9955 a prime number?
No. It is divisible by 5, so 9955 = 5 × 1991.