Factors of 42
42 has 8 factors.
All factors of 42
1, 2, 3, 6, 7, 14, 21, 42
Prime factorization: 2 × 3 × 7
Number of factors
8
Sum of factors
96
Prime?
No
Factor pairs of 42
Each pair multiplies together to make 42:
| Pair | Product |
|---|---|
| 1 × 42 | 42 |
| 2 × 21 | 42 |
| 3 × 14 | 42 |
| 6 × 7 | 42 |
Factors of nearby numbers
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Frequently asked questions
What are the factors of 42?+
The factors of 42 are 1, 2, 3, 6, 7, 14, 21, 42 — that is 8 factors in total.
What is the prime factorization of 42?+
The prime factorization of 42 is 2 × 3 × 7.
Is 42 a prime number?+
No. 42 has 8 factors, more than just 1 and itself, so it is a composite number.