Factors of 225
225 has 9 factors.
All factors of 225
1, 3, 5, 9, 15, 25, 45, 75, 225
Prime factorization: 3² × 5²
Number of factors
9
Sum of factors
403
Prime?
No
Factor pairs of 225
Each pair multiplies together to make 225:
| Pair | Product |
|---|---|
| 1 × 225 | 225 |
| 3 × 75 | 225 |
| 5 × 45 | 225 |
| 9 × 25 | 225 |
| 15 × 15 | 225 |
Factors of nearby numbers
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Frequently asked questions
What are the factors of 225?+
The factors of 225 are 1, 3, 5, 9, 15, 25, 45, 75, 225 — that is 9 factors in total.
What is the prime factorization of 225?+
The prime factorization of 225 is 3² × 5².
Is 225 a prime number?+
No. 225 has 9 factors, more than just 1 and itself, so it is a composite number.