Factors of 180
180 has 18 factors.
All factors of 180
1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180
Prime factorization: 2² × 3² × 5
Number of factors
18
Sum of factors
546
Prime?
No
Factor pairs of 180
Each pair multiplies together to make 180:
| Pair | Product |
|---|---|
| 1 × 180 | 180 |
| 2 × 90 | 180 |
| 3 × 60 | 180 |
| 4 × 45 | 180 |
| 5 × 36 | 180 |
| 6 × 30 | 180 |
| 9 × 20 | 180 |
| 10 × 18 | 180 |
| 12 × 15 | 180 |
Factors of nearby numbers
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Frequently asked questions
What are the factors of 180?+
The factors of 180 are 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180 — that is 18 factors in total.
What is the prime factorization of 180?+
The prime factorization of 180 is 2² × 3² × 5.
Is 180 a prime number?+
No. 180 has 18 factors, more than just 1 and itself, so it is a composite number.