Factor Calculator

Factors of 814

The factors of 814 are 1, 2, 11, 22, 37, 74, 407, and 814. In total, 814 has 8 factors. Its prime factorization is 2 × 11 × 37, and the sum of all its factors is 1368.

All factors of 814

Here are all 8 factors of 814, listed from smallest to largest.

1211223774407814

Factor pairs of 814

These 4 pairs of whole numbers each multiply to give 814.

1 × 814 = 814
2 × 407 = 814
11 × 74 = 814
22 × 37 = 814

Prime factorization of 814

Dividing 814 by the smallest prime at each step gives its prime factorization:

814 ÷ 2 = 407
407 ÷ 11 = 37
37 ÷ 37 = 1
Result: 814 = 2 × 11 × 37 = 2 × 11 × 37

The distinct prime factors of 814 are 2, 11, 37. To factorize any other number, use the prime factorization calculator.

Factor tree of 814

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

Factor tree of 81481424071137
Prime factors are shown in solid indigo. Composite numbers split into their smallest prime and the quotient.

Properties of 814

Number of factors8
Sum of factors1368
Sum of proper factors554
Prime factorization2 × 11 × 37
Prime or composite?Composite
Even or odd?Even
Perfect square?No
Perfect cube?No
ClassificationDeficient

What makes 814 interesting

  • 814 is a composite number, meaning it has more than two factors. It can be written as a product of smaller whole numbers in 4 different ways.
  • 814 is a deficient number: its proper factors sum to 554, which is 260 less than 814 itself.
  • 814 has 3 distinct prime factors (2, 11, 37), which is why it has so many divisors.

How to find the factors of 814 yourself

Divide 814 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 √81428.53, because every factor above that pairs with one below it.

814 ÷ 1 = 814
814 ÷ 2 = 407
814 ÷ 11 = 74
814 ÷ 22 = 37

Reading both columns gives every factor: 1, 2, 11, 22, 37, 74, 407, 814. The factor calculator does this automatically for any number.

Frequently asked questions about 814

What are the factors of 814?

The factors of 814 are 1, 2, 11, 22, 37, 74, 407, and 814. That is 8 factors in total, counting both 1 and 814.

Is 814 a prime number?

No, 814 is not prime — it is a composite number with 8 factors. A prime number has exactly two factors, but 814 is also divisible by 2.

What is the prime factorization of 814?

The prime factorization of 814 is 2 × 11 × 37. Written out in full: 2 × 11 × 37 = 814. Its distinct prime factors are 2, 11, 37.

What two numbers multiply to give 814?

There are 4 pairs of whole numbers that multiply to 814: 1 × 814, 2 × 407, 11 × 74, 22 × 37.

What is the sum of the factors of 814?

Adding all the factors of 814 together gives 1368. Excluding 814 itself, the proper factors sum to 554.

Is 814 a perfect square?

No, 814 is not a perfect square. There is no whole number that multiplies by itself to give 814. The nearest perfect squares are 784 and 841.

What is the largest factor of 814 other than itself?

The largest factor of 814 apart from 814 itself is 407, since 814 ÷ 407 = 2.

How many factors does 814 have?

814 has 8 factors: 1, 2, 11, 22, 37, 74, 407, and 814. You can verify this from the prime factorization 2 × 11 × 37: add 1 to each exponent and multiply, giving 2 × 2 × 2 = 8.

Explore more

Try another number in the factor calculator, break 814 down further with the prime factorization calculator, or compare 814 with another number using the GCF calculator and LCM calculator. For divisor counts and sums, see the divisor calculator.