How to find the factors of 486
Test every whole number from 1 up to the square root of 486 (√486 ≈ 22.045). Each number that divides evenly gives you two factors at once: the divisor and the quotient.
- 486 ÷ 1 = 486 — so 1 and 486 are factors
- 486 ÷ 2 = 243 — so 2 and 243 are factors
- 486 ÷ 3 = 162 — so 3 and 162 are factors
- 486 ÷ 4 = 121.5 — not a whole number
- 486 ÷ 5 = 97.2 — not a whole number
- 486 ÷ 6 = 81 — so 6 and 81 are factors
- 486 ÷ 7 = 69.429 — not a whole number
- 486 ÷ 8 = 60.75 — not a whole number
- 486 ÷ 9 = 54 — so 9 and 54 are factors
- 486 ÷ 10 = 48.6 — not a whole number
- 486 ÷ 11 = 44.182 — not a whole number
- 486 ÷ 12 = 40.5 — not a whole number
- 486 ÷ 13 = 37.385 — not a whole number
- 486 ÷ 14 = 34.714 — not a whole number
- 486 ÷ 15 = 32.4 — not a whole number
- 486 ÷ 16 = 30.375 — not a whole number
- 486 ÷ 17 = 28.588 — not a whole number
- 486 ÷ 18 = 27 — so 18 and 27 are factors
- 486 ÷ 19 = 25.579 — not a whole number
- 486 ÷ 20 = 24.3 — not a whole number
- 486 ÷ 21 = 23.143 — not a whole number
- 486 ÷ 22 = 22.091 — not a whole number
Collecting both numbers from every successful division gives the complete list: 1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243 and 486.
Prime factorization of 486
Divide by the smallest prime that fits, and keep going until the quotient is 1:
The primes you divided by give 486 = 2 × 3⁵. From the exponents you can also count the factors without listing them: (1 + 1) × (5 + 1) = 12.
Properties of 486
- 486 is a composite number.
- The sum of all its factors is 1,092; the sum of its proper factors (excluding 486) is 606, which makes it a abundant number (its proper factors add up to more than itself).
- 486 is not a perfect square, so its factors pair up evenly.
- Multiples of 486 include 972, 1,458, 1,944, 2,430 and so on.
Factors vs. multiples
Factors of 486 are the numbers that divide into it; multiples of 486 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 486?
The factors of 486 are 1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243 and 486. Each of these divides 486 with no remainder.
How many factors does 486 have?
486 has 12 positive factors, which form 6 factor pairs. Counting negative factors as well doubles that to 24.
What is the prime factorization of 486?
486 = 2 × 3⁵. Its distinct prime factors are 2 and 3.
Is 486 a prime number?
No. 486 is composite because it has 12 factors, more than the two a prime number has.