Factors of 20
The factors of 20 are 1, 2, 4, 5, 10, 20. No, 20 is a composite number. Its prime factorization is 2^2 × 5.
Factors of 20
1, 2, 4, 5, 10, 20
Prime or Composite
Composite
Perfect Square
No
Prime Factorization
2^2 × 5
Sum of Factors
42
| Factor Pairs |
|---|
| 1 × 20 = 20 |
| 2 × 10 = 20 |
| 4 × 5 = 20 |
Frequently Asked Questions
What are the factors of 20?
The factors of 20 are 1, 2, 4, 5, 10, 20.
Is 20 a prime number?
No, 20 is a composite number. Its prime factorization is 2^2 × 5.
More Number Theory
- Factor Calculator (look up any number)
- GCF Calculator
- LCM Calculator
- LCD Calculator