Factors of 80
80 has 10 factors.
All factors of 80
1, 2, 4, 5, 8, 10, 16, 20, 40, 80
Prime factorization: 2⁴ × 5
Number of factors
10
Sum of factors
186
Prime?
No
Factor pairs of 80
Each pair multiplies together to make 80:
| Pair | Product |
|---|---|
| 1 × 80 | 80 |
| 2 × 40 | 80 |
| 4 × 20 | 80 |
| 5 × 16 | 80 |
| 8 × 10 | 80 |
Factors of nearby numbers
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Frequently asked questions
What are the factors of 80?+
The factors of 80 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 80 — that is 10 factors in total.
What is the prime factorization of 80?+
The prime factorization of 80 is 2⁴ × 5.
Is 80 a prime number?+
No. 80 has 10 factors, more than just 1 and itself, so it is a composite number.