Factors of 191
191 has 2 factors — it is a prime number.
All factors of 191
1, 191
Prime factorization: 191 (prime)
Number of factors
2
Sum of factors
192
Prime?
Yes
Factor pairs of 191
Each pair multiplies together to make 191:
| Pair | Product |
|---|---|
| 1 × 191 | 191 |
Factors of nearby numbers
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Frequently asked questions
What are the factors of 191?+
The factors of 191 are 1, 191 — that is 2 factors in total.
What is the prime factorization of 191?+
191 is a prime number, so its only factors are 1 and 191 and its prime factorization is just 191.
Is 191 a prime number?+
Yes. 191 has exactly two factors, 1 and itself, so it is prime.