Factors of 157
157 has 2 factors — it is a prime number.
All factors of 157
1, 157
Prime factorization: 157 (prime)
Number of factors
2
Sum of factors
158
Prime?
Yes
Factor pairs of 157
Each pair multiplies together to make 157:
| Pair | Product |
|---|---|
| 1 × 157 | 157 |
Factors of nearby numbers
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Frequently asked questions
What are the factors of 157?+
The factors of 157 are 1, 157 — that is 2 factors in total.
What is the prime factorization of 157?+
157 is a prime number, so its only factors are 1 and 157 and its prime factorization is just 157.
Is 157 a prime number?+
Yes. 157 has exactly two factors, 1 and itself, so it is prime.