Factors of 126
126 has 12 factors.
All factors of 126
1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126
Prime factorization: 2 × 3² × 7
Number of factors
12
Sum of factors
312
Prime?
No
Factor pairs of 126
Each pair multiplies together to make 126:
| Pair | Product |
|---|---|
| 1 × 126 | 126 |
| 2 × 63 | 126 |
| 3 × 42 | 126 |
| 6 × 21 | 126 |
| 7 × 18 | 126 |
| 9 × 14 | 126 |
Factors of nearby numbers
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Frequently asked questions
What are the factors of 126?+
The factors of 126 are 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126 — that is 12 factors in total.
What is the prime factorization of 126?+
The prime factorization of 126 is 2 × 3² × 7.
Is 126 a prime number?+
No. 126 has 12 factors, more than just 1 and itself, so it is a composite number.