Factors of 171
171 has 6 factors.
All factors of 171
1, 3, 9, 19, 57, 171
Prime factorization: 3² × 19
Number of factors
6
Sum of factors
260
Prime?
No
Factor pairs of 171
Each pair multiplies together to make 171:
| Pair | Product |
|---|---|
| 1 × 171 | 171 |
| 3 × 57 | 171 |
| 9 × 19 | 171 |
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Frequently asked questions
What are the factors of 171?+
The factors of 171 are 1, 3, 9, 19, 57, 171 — that is 6 factors in total.
What is the prime factorization of 171?+
The prime factorization of 171 is 3² × 19.
Is 171 a prime number?+
No. 171 has 6 factors, more than just 1 and itself, so it is a composite number.