Factors of 198
198 has 12 factors.
All factors of 198
1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198
Prime factorization: 2 × 3² × 11
Number of factors
12
Sum of factors
468
Prime?
No
Factor pairs of 198
Each pair multiplies together to make 198:
| Pair | Product |
|---|---|
| 1 × 198 | 198 |
| 2 × 99 | 198 |
| 3 × 66 | 198 |
| 6 × 33 | 198 |
| 9 × 22 | 198 |
| 11 × 18 | 198 |
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Frequently asked questions
What are the factors of 198?+
The factors of 198 are 1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198 — that is 12 factors in total.
What is the prime factorization of 198?+
The prime factorization of 198 is 2 × 3² × 11.
Is 198 a prime number?+
No. 198 has 12 factors, more than just 1 and itself, so it is a composite number.