Factors of 13
There are 2 factors of 13 — the full list is below, with factor pairs, prime factorization, and divisibility notes.
Factors of 13
1, 13
Factor pairs of 13
- 1 × 13
Prime factorization of 13
13 = 13
Number facts
- 13 is a prime number.
- 13 has 2 factors.
- 13 is not a perfect square.
- The sum of all factors of 13 is 14.
Check another number
How the factors of 13 are calculated
To find the factors of 13, every whole number from 1 up to the square root of 13(about 3.61) is tested for even division. 13 is odd, and it turns out to be prime — no whole number other than 1 and 13 itself divides it evenly. Written as a product of primes, 13 = 13.
Frequently asked questions about 13
How many factors does 13 have?
13 has 2 factors: 1, 13.
Is 13 a prime number?
Yes. 13 is prime because its only factors are 1 and 13 itself.
What are the factor pairs of 13?
The factor pairs of 13 are 1 × 13.
What is the prime factorization of 13?
The prime factorization of 13 is 13.