How to find the factors of 69
Test every whole number from 1 up to the square root of 69 (√69 ≈ 8.307). Each number that divides evenly gives you two factors at once: the divisor and the quotient.
- 69 ÷ 1 = 69 — so 1 and 69 are factors
- 69 ÷ 2 = 34.5 — not a whole number
- 69 ÷ 3 = 23 — so 3 and 23 are factors
- 69 ÷ 4 = 17.25 — not a whole number
- 69 ÷ 5 = 13.8 — not a whole number
- 69 ÷ 6 = 11.5 — not a whole number
- 69 ÷ 7 = 9.857 — not a whole number
- 69 ÷ 8 = 8.625 — not a whole number
Collecting both numbers from every successful division gives the complete list: 1, 3, 23 and 69.
Prime factorization of 69
Divide by the smallest prime that fits, and keep going until the quotient is 1:
The primes you divided by give 69 = 3 × 23. From the exponents you can also count the factors without listing them: (1 + 1) × (1 + 1) = 4.
Properties of 69
- 69 is a composite number.
- The sum of all its factors is 96; the sum of its proper factors (excluding 69) is 27, which makes it a deficient number (its proper factors add up to less than itself).
- 69 is not a perfect square, so its factors pair up evenly.
- Multiples of 69 include 138, 207, 276, 345 and so on.
Factors vs. multiples
Factors of 69 are the numbers that divide into it; multiples of 69 are the numbers it divides into. Every number has a limited set of factors but infinitely many multiples. To work with any other number, use the factors calculator, or find shared factors with the GCF calculator.
Frequently asked questions
What are the factors of 69?
The factors of 69 are 1, 3, 23 and 69. Each of these divides 69 with no remainder.
How many factors does 69 have?
69 has 4 positive factors, which form 2 factor pairs. Counting negative factors as well doubles that to 8.
What is the prime factorization of 69?
69 = 3 × 23. Its distinct prime factors are 3 and 23.
Is 69 a prime number?
No. 69 is composite because it has 4 factors, more than the two a prime number has.