Factors of 216

216 has 16 factors: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108 and 216. Its prime factorization is 2³ × 3³.

Factor pairs of 216

Factor×FactorProduct
1×216216
2×108216
3×72216
4×54216
6×36216
8×27216
9×24216
12×18216

Negative pairs work too: (−1) × (−216), (−2) × (−108), … = 216.

Number of factors
16
Factor pairs
8
Sum of factors
600
Prime or composite
Composite
Even or odd
Even
Perfect square
No
Prime factorization 2³ × 3³

How to find the factors of 216

Test every whole number from 1 up to the square root of 216 (√216 ≈ 14.697). Each number that divides evenly gives you two factors at once: the divisor and the quotient.

  • 216 ÷ 1 = 216 — so 1 and 216 are factors
  • 216 ÷ 2 = 108 — so 2 and 108 are factors
  • 216 ÷ 3 = 72 — so 3 and 72 are factors
  • 216 ÷ 4 = 54 — so 4 and 54 are factors
  • 216 ÷ 5 = 43.2 — not a whole number
  • 216 ÷ 6 = 36 — so 6 and 36 are factors
  • 216 ÷ 7 = 30.857 — not a whole number
  • 216 ÷ 8 = 27 — so 8 and 27 are factors
  • 216 ÷ 9 = 24 — so 9 and 24 are factors
  • 216 ÷ 10 = 21.6 — not a whole number
  • 216 ÷ 11 = 19.636 — not a whole number
  • 216 ÷ 12 = 18 — so 12 and 18 are factors
  • 216 ÷ 13 = 16.615 — not a whole number
  • 216 ÷ 14 = 15.429 — not a whole number

Collecting both numbers from every successful division gives the complete list: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108 and 216.

Prime factorization of 216

Divide by the smallest prime that fits, and keep going until the quotient is 1:

216 ÷ 2 = 108
108 ÷ 2 = 54
54 ÷ 2 = 27
27 ÷ 3 = 9
9 ÷ 3 = 3
3 ÷ 3 = 1

The primes you divided by give 216 = 2³ × 3³. From the exponents you can also count the factors without listing them: (3 + 1) × (3 + 1) = 16.

Properties of 216

  • 216 is a composite number.
  • The sum of all its factors is 600; the sum of its proper factors (excluding 216) is 384, which makes it a abundant number (its proper factors add up to more than itself).
  • 216 is not a perfect square, so its factors pair up evenly.
  • 216 is also a perfect cube: 6³.
  • Multiples of 216 include 432, 648, 864, 1,080 and so on.

Factors vs. multiples

Factors of 216 are the numbers that divide into it; multiples of 216 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 216?

The factors of 216 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108 and 216. Each of these divides 216 with no remainder.

How many factors does 216 have?

216 has 16 positive factors, which form 8 factor pairs. Counting negative factors as well doubles that to 32.

What is the prime factorization of 216?

216 = 2³ × 3³. Its distinct prime factors are 2 and 3.

Is 216 a prime number?

No. 216 is composite because it has 16 factors, more than the two a prime number has.