Factors of 18
The factors of 18 are 1, 2, 3, 6, 9, 18. No, 18 is a composite number. Its prime factorization is 2 × 3^2.
Factors of 18
1, 2, 3, 6, 9, 18
Prime or Composite
Composite
Perfect Square
No
Prime Factorization
2 × 3^2
Sum of Factors
39
| Factor Pairs |
|---|
| 1 × 18 = 18 |
| 2 × 9 = 18 |
| 3 × 6 = 18 |
Frequently Asked Questions
What are the factors of 18?
The factors of 18 are 1, 2, 3, 6, 9, 18.
Is 18 a prime number?
No, 18 is a composite number. Its prime factorization is 2 × 3^2.
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