Factors of 979

979 has 4 factors: 1, 11, 89 and 979. Its prime factorization is 11 × 89.

Factor pairs of 979

Factor×FactorProduct
1×979979
11×89979

Negative pairs work too: (−1) × (−979), (−11) × (−89) = 979.

Number of factors
4
Factor pairs
2
Sum of factors
1,080
Prime or composite
Composite
Even or odd
Odd
Perfect square
No
Prime factorization 11 × 89

How to find the factors of 979

Test every whole number from 1 up to the square root of 979 (√979 ≈ 31.289). Each number that divides evenly gives you two factors at once: the divisor and the quotient.

  • 979 ÷ 1 = 979 — so 1 and 979 are factors
  • 979 ÷ 2 = 489.5 — not a whole number
  • 979 ÷ 3 = 326.333 — not a whole number
  • 979 ÷ 4 = 244.75 — not a whole number
  • 979 ÷ 5 = 195.8 — not a whole number
  • 979 ÷ 6 = 163.167 — not a whole number
  • 979 ÷ 7 = 139.857 — not a whole number
  • 979 ÷ 8 = 122.375 — not a whole number
  • 979 ÷ 9 = 108.778 — not a whole number
  • 979 ÷ 10 = 97.9 — not a whole number
  • 979 ÷ 11 = 89 — so 11 and 89 are factors
  • 979 ÷ 12 = 81.583 — not a whole number
  • 979 ÷ 13 = 75.308 — not a whole number
  • 979 ÷ 14 = 69.929 — not a whole number
  • 979 ÷ 15 = 65.267 — not a whole number
  • 979 ÷ 16 = 61.188 — not a whole number
  • 979 ÷ 17 = 57.588 — not a whole number
  • 979 ÷ 18 = 54.389 — not a whole number
  • 979 ÷ 19 = 51.526 — not a whole number
  • 979 ÷ 20 = 48.95 — not a whole number
  • 979 ÷ 21 = 46.619 — not a whole number
  • 979 ÷ 22 = 44.5 — not a whole number
  • 979 ÷ 23 = 42.565 — not a whole number
  • 979 ÷ 24 = 40.792 — not a whole number
  • 979 ÷ 25 = 39.16 — not a whole number
  • 979 ÷ 26 = 37.654 — not a whole number
  • 979 ÷ 27 = 36.259 — not a whole number
  • 979 ÷ 28 = 34.964 — not a whole number
  • 979 ÷ 29 = 33.759 — not a whole number
  • 979 ÷ 30 = 32.633 — not a whole number
  • 979 ÷ 31 = 31.581 — not a whole number

Collecting both numbers from every successful division gives the complete list: 1, 11, 89 and 979.

Prime factorization of 979

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

979 ÷ 11 = 89
89 ÷ 89 = 1

The primes you divided by give 979 = 11 × 89. From the exponents you can also count the factors without listing them: (1 + 1) × (1 + 1) = 4.

Properties of 979

  • 979 is a composite number.
  • The sum of all its factors is 1,080; the sum of its proper factors (excluding 979) is 101, which makes it a deficient number (its proper factors add up to less than itself).
  • 979 is not a perfect square, so its factors pair up evenly.
  • Multiples of 979 include 1,958, 2,937, 3,916, 4,895 and so on.

Factors vs. multiples

Factors of 979 are the numbers that divide into it; multiples of 979 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 979?

The factors of 979 are 1, 11, 89 and 979. Each of these divides 979 with no remainder.

How many factors does 979 have?

979 has 4 positive factors, which form 2 factor pairs. Counting negative factors as well doubles that to 8.

What is the prime factorization of 979?

979 = 11 × 89. Its distinct prime factors are 11 and 89.

Is 979 a prime number?

No. 979 is composite because it has 4 factors, more than the two a prime number has.