Factors of 43
43 has 2 factors — it is a prime number.
All factors of 43
1, 43
Prime factorization: 43 (prime)
Number of factors
2
Sum of factors
44
Prime?
Yes
Factor pairs of 43
Each pair multiplies together to make 43:
| Pair | Product |
|---|---|
| 1 × 43 | 43 |
Factors of nearby numbers
Factor any number
Need a different number? The prime factorization calculator breaks any number into its prime factors and lists all its divisors.
Frequently asked questions
What are the factors of 43?+
The factors of 43 are 1, 43 — that is 2 factors in total.
What is the prime factorization of 43?+
43 is a prime number, so its only factors are 1 and 43 and its prime factorization is just 43.
Is 43 a prime number?+
Yes. 43 has exactly two factors, 1 and itself, so it is prime.