Factors of 189
189 has 8 factors.
All factors of 189
1, 3, 7, 9, 21, 27, 63, 189
Prime factorization: 3³ × 7
Number of factors
8
Sum of factors
320
Prime?
No
Factor pairs of 189
Each pair multiplies together to make 189:
| Pair | Product |
|---|---|
| 1 × 189 | 189 |
| 3 × 63 | 189 |
| 7 × 27 | 189 |
| 9 × 21 | 189 |
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Frequently asked questions
What are the factors of 189?+
The factors of 189 are 1, 3, 7, 9, 21, 27, 63, 189 — that is 8 factors in total.
What is the prime factorization of 189?+
The prime factorization of 189 is 3³ × 7.
Is 189 a prime number?+
No. 189 has 8 factors, more than just 1 and itself, so it is a composite number.