Factors of 99
99 has 6 factors.
All factors of 99
1, 3, 9, 11, 33, 99
Prime factorization: 3² × 11
Number of factors
6
Sum of factors
156
Prime?
No
Factor pairs of 99
Each pair multiplies together to make 99:
| Pair | Product |
|---|---|
| 1 × 99 | 99 |
| 3 × 33 | 99 |
| 9 × 11 | 99 |
Factors of nearby numbers
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Frequently asked questions
What are the factors of 99?+
The factors of 99 are 1, 3, 9, 11, 33, 99 — that is 6 factors in total.
What is the prime factorization of 99?+
The prime factorization of 99 is 3² × 11.
Is 99 a prime number?+
No. 99 has 6 factors, more than just 1 and itself, so it is a composite number.