Factors of 23
There are 2 factors of 23 — the full list is below, with factor pairs, prime factorization, and divisibility notes.
Factors of 23
1, 23
Factor pairs of 23
- 1 × 23
Prime factorization of 23
23 = 23
Number facts
- 23 is a prime number.
- 23 has 2 factors.
- 23 is not a perfect square.
- The sum of all factors of 23 is 24.
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How the factors of 23 are calculated
To find the factors of 23, every whole number from 1 up to the square root of 23(about 4.80) is tested for even division. 23 is odd, and it turns out to be prime — no whole number other than 1 and 23 itself divides it evenly. Written as a product of primes, 23 = 23.
Frequently asked questions about 23
How many factors does 23 have?
23 has 2 factors: 1, 23.
Is 23 a prime number?
Yes. 23 is prime because its only factors are 1 and 23 itself.
What are the factor pairs of 23?
The factor pairs of 23 are 1 × 23.
What is the prime factorization of 23?
The prime factorization of 23 is 23.