Factors of 837

837 has 8 factors: 1, 3, 9, 27, 31, 93, 279 and 837. Its prime factorization is 3³ × 31.

Factor pairs of 837

Factor×FactorProduct
1×837837
3×279837
9×93837
27×31837

Negative pairs work too: (−1) × (−837), (−3) × (−279), … = 837.

Number of factors
8
Factor pairs
4
Sum of factors
1,280
Prime or composite
Composite
Even or odd
Odd
Perfect square
No
Prime factorization 3³ × 31

How to find the factors of 837

Test every whole number from 1 up to the square root of 837 (√837 ≈ 28.931). Each number that divides evenly gives you two factors at once: the divisor and the quotient.

  • 837 ÷ 1 = 837 — so 1 and 837 are factors
  • 837 ÷ 2 = 418.5 — not a whole number
  • 837 ÷ 3 = 279 — so 3 and 279 are factors
  • 837 ÷ 4 = 209.25 — not a whole number
  • 837 ÷ 5 = 167.4 — not a whole number
  • 837 ÷ 6 = 139.5 — not a whole number
  • 837 ÷ 7 = 119.571 — not a whole number
  • 837 ÷ 8 = 104.625 — not a whole number
  • 837 ÷ 9 = 93 — so 9 and 93 are factors
  • 837 ÷ 10 = 83.7 — not a whole number
  • 837 ÷ 11 = 76.091 — not a whole number
  • 837 ÷ 12 = 69.75 — not a whole number
  • 837 ÷ 13 = 64.385 — not a whole number
  • 837 ÷ 14 = 59.786 — not a whole number
  • 837 ÷ 15 = 55.8 — not a whole number
  • 837 ÷ 16 = 52.313 — not a whole number
  • 837 ÷ 17 = 49.235 — not a whole number
  • 837 ÷ 18 = 46.5 — not a whole number
  • 837 ÷ 19 = 44.053 — not a whole number
  • 837 ÷ 20 = 41.85 — not a whole number
  • 837 ÷ 21 = 39.857 — not a whole number
  • 837 ÷ 22 = 38.045 — not a whole number
  • 837 ÷ 23 = 36.391 — not a whole number
  • 837 ÷ 24 = 34.875 — not a whole number
  • 837 ÷ 25 = 33.48 — not a whole number
  • 837 ÷ 26 = 32.192 — not a whole number
  • 837 ÷ 27 = 31 — so 27 and 31 are factors
  • 837 ÷ 28 = 29.893 — not a whole number

Collecting both numbers from every successful division gives the complete list: 1, 3, 9, 27, 31, 93, 279 and 837.

Prime factorization of 837

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

837 ÷ 3 = 279
279 ÷ 3 = 93
93 ÷ 3 = 31
31 ÷ 31 = 1

The primes you divided by give 837 = 3³ × 31. From the exponents you can also count the factors without listing them: (3 + 1) × (1 + 1) = 8.

Properties of 837

  • 837 is a composite number.
  • The sum of all its factors is 1,280; the sum of its proper factors (excluding 837) is 443, which makes it a deficient number (its proper factors add up to less than itself).
  • 837 is not a perfect square, so its factors pair up evenly.
  • Multiples of 837 include 1,674, 2,511, 3,348, 4,185 and so on.

Factors vs. multiples

Factors of 837 are the numbers that divide into it; multiples of 837 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 837?

The factors of 837 are 1, 3, 9, 27, 31, 93, 279 and 837. Each of these divides 837 with no remainder.

How many factors does 837 have?

837 has 8 positive factors, which form 4 factor pairs. Counting negative factors as well doubles that to 16.

What is the prime factorization of 837?

837 = 3³ × 31. Its distinct prime factors are 3 and 31.

Is 837 a prime number?

No. 837 is composite because it has 8 factors, more than the two a prime number has.