Factor Calculator

Factors of 836

The factors of 836 are 1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, and 836. In total, 836 has 12 factors. Its prime factorization is 2² × 11 × 19, and the sum of all its factors is 1680.

All factors of 836

Here are all 12 factors of 836, listed from smallest to largest.

124111922384476209418836

Factor pairs of 836

These 6 pairs of whole numbers each multiply to give 836.

1 × 836 = 836
2 × 418 = 836
4 × 209 = 836
11 × 76 = 836
19 × 44 = 836
22 × 38 = 836

Prime factorization of 836

Dividing 836 by the smallest prime at each step gives its prime factorization:

836 ÷ 2 = 418
418 ÷ 2 = 209
209 ÷ 11 = 19
19 ÷ 19 = 1
Result: 836 = 2 × 2 × 11 × 19 = 2² × 11 × 19

The distinct prime factors of 836 are 2, 11, 19. To factorize any other number, use the prime factorization calculator.

Factor tree of 836

A factor tree shows the same prime factorization visually. Each composite branch splits until every endpoint is a prime number.

Factor tree of 836836241822091119
Prime factors are shown in solid indigo. Composite numbers split into their smallest prime and the quotient.

Properties of 836

Number of factors12
Sum of factors1680
Sum of proper factors844
Prime factorization2² × 11 × 19
Prime or composite?Composite
Even or odd?Even
Perfect square?No
Perfect cube?No
ClassificationAbundant

What makes 836 interesting

  • 836 is a composite number, meaning it has more than two factors. It can be written as a product of smaller whole numbers in 6 different ways.
  • 836 is an abundant number: its proper factors sum to 844, which is 8 more than 836 itself.
  • 836 has 3 distinct prime factors (2, 11, 19), which is why it has so many divisors.

How to find the factors of 836 yourself

Divide 836 by each whole number starting from 1. Whenever the division leaves no remainder, both the divisor and the quotient are factors. You only need to test up to √83628.91, because every factor above that pairs with one below it.

836 ÷ 1 = 836
836 ÷ 2 = 418
836 ÷ 4 = 209
836 ÷ 11 = 76
836 ÷ 19 = 44
836 ÷ 22 = 38

Reading both columns gives every factor: 1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836. The factor calculator does this automatically for any number.

Frequently asked questions about 836

What are the factors of 836?

The factors of 836 are 1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, and 836. That is 12 factors in total, counting both 1 and 836.

Is 836 a prime number?

No, 836 is not prime — it is a composite number with 12 factors. A prime number has exactly two factors, but 836 is also divisible by 2.

What is the prime factorization of 836?

The prime factorization of 836 is 2² × 11 × 19. Written out in full: 2 × 2 × 11 × 19 = 836. Its distinct prime factors are 2, 11, 19.

What two numbers multiply to give 836?

There are 6 pairs of whole numbers that multiply to 836: 1 × 836, 2 × 418, 4 × 209, 11 × 76, 19 × 44, 22 × 38.

What is the sum of the factors of 836?

Adding all the factors of 836 together gives 1680. Excluding 836 itself, the proper factors sum to 844.

Is 836 a perfect square?

No, 836 is not a perfect square. There is no whole number that multiplies by itself to give 836. The nearest perfect squares are 784 and 841.

What is the largest factor of 836 other than itself?

The largest factor of 836 apart from 836 itself is 418, since 836 ÷ 418 = 2.

How many factors does 836 have?

836 has 12 factors: 1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, and 836. You can verify this from the prime factorization 2² × 11 × 19: add 1 to each exponent and multiply, giving 3 × 2 × 2 = 12.

Explore more

Try another number in the factor calculator, break 836 down further with the prime factorization calculator, or compare 836 with another number using the GCF calculator and LCM calculator. For divisor counts and sums, see the divisor calculator.