Factors of 140
140 has 12 factors.
All factors of 140
1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140
Prime factorization: 2² × 5 × 7
Number of factors
12
Sum of factors
336
Prime?
No
Factor pairs of 140
Each pair multiplies together to make 140:
| Pair | Product |
|---|---|
| 1 × 140 | 140 |
| 2 × 70 | 140 |
| 4 × 35 | 140 |
| 5 × 28 | 140 |
| 7 × 20 | 140 |
| 10 × 14 | 140 |
Factors of nearby numbers
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Frequently asked questions
What are the factors of 140?+
The factors of 140 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140 — that is 12 factors in total.
What is the prime factorization of 140?+
The prime factorization of 140 is 2² × 5 × 7.
Is 140 a prime number?+
No. 140 has 12 factors, more than just 1 and itself, so it is a composite number.