Factors of 89
There are 2 factors of 89 — the full list is below, with factor pairs, prime factorization, and divisibility notes.
Factors of 89
1, 89
Factor pairs of 89
- 1 × 89
Prime factorization of 89
89 = 89
Number facts
- 89 is a prime number.
- 89 has 2 factors.
- 89 is not a perfect square.
- The sum of all factors of 89 is 90.
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How the factors of 89 are calculated
To find the factors of 89, every whole number from 1 up to the square root of 89(about 9.43) is tested for even division. 89 is odd, and it turns out to be prime — no whole number other than 1 and 89 itself divides it evenly. Written as a product of primes, 89 = 89.
Frequently asked questions about 89
How many factors does 89 have?
89 has 2 factors: 1, 89.
Is 89 a prime number?
Yes. 89 is prime because its only factors are 1 and 89 itself.
What are the factor pairs of 89?
The factor pairs of 89 are 1 × 89.
What is the prime factorization of 89?
The prime factorization of 89 is 89.