Factors of 138
138 has 8 factors.
All factors of 138
1, 2, 3, 6, 23, 46, 69, 138
Prime factorization: 2 × 3 × 23
Number of factors
8
Sum of factors
288
Prime?
No
Factor pairs of 138
Each pair multiplies together to make 138:
| Pair | Product |
|---|---|
| 1 × 138 | 138 |
| 2 × 69 | 138 |
| 3 × 46 | 138 |
| 6 × 23 | 138 |
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Frequently asked questions
What are the factors of 138?+
The factors of 138 are 1, 2, 3, 6, 23, 46, 69, 138 — that is 8 factors in total.
What is the prime factorization of 138?+
The prime factorization of 138 is 2 × 3 × 23.
Is 138 a prime number?+
No. 138 has 8 factors, more than just 1 and itself, so it is a composite number.