Factor Calculator

Factors of 850

The factors of 850 are 1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, and 850. In total, 850 has 12 factors. Its prime factorization is 2 × 5² × 17, and the sum of all its factors is 1674.

All factors of 850

Here are all 12 factors of 850, listed from smallest to largest.

125101725345085170425850

Factor pairs of 850

These 6 pairs of whole numbers each multiply to give 850.

1 × 850 = 850
2 × 425 = 850
5 × 170 = 850
10 × 85 = 850
17 × 50 = 850
25 × 34 = 850

Prime factorization of 850

Dividing 850 by the smallest prime at each step gives its prime factorization:

850 ÷ 2 = 425
425 ÷ 5 = 85
85 ÷ 5 = 17
17 ÷ 17 = 1
Result: 850 = 2 × 5 × 5 × 17 = 2 × 5² × 17

The distinct prime factors of 850 are 2, 5, 17. To factorize any other number, use the prime factorization calculator.

Factor tree of 850

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

Factor tree of 8508502425585517
Prime factors are shown in solid indigo. Composite numbers split into their smallest prime and the quotient.

Properties of 850

Number of factors12
Sum of factors1674
Sum of proper factors824
Prime factorization2 × 5² × 17
Prime or composite?Composite
Even or odd?Even
Perfect square?No
Perfect cube?No
ClassificationDeficient

What makes 850 interesting

  • 850 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.
  • 850 is a deficient number: its proper factors sum to 824, which is 26 less than 850 itself.
  • 850 has 3 distinct prime factors (2, 5, 17), which is why it has so many divisors.

How to find the factors of 850 yourself

Divide 850 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 √85029.15, because every factor above that pairs with one below it.

850 ÷ 1 = 850
850 ÷ 2 = 425
850 ÷ 5 = 170
850 ÷ 10 = 85
850 ÷ 17 = 50
850 ÷ 25 = 34

Reading both columns gives every factor: 1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850. The factor calculator does this automatically for any number.

Frequently asked questions about 850

What are the factors of 850?

The factors of 850 are 1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, and 850. That is 12 factors in total, counting both 1 and 850.

Is 850 a prime number?

No, 850 is not prime — it is a composite number with 12 factors. A prime number has exactly two factors, but 850 is also divisible by 2.

What is the prime factorization of 850?

The prime factorization of 850 is 2 × 5² × 17. Written out in full: 2 × 5 × 5 × 17 = 850. Its distinct prime factors are 2, 5, 17.

What two numbers multiply to give 850?

There are 6 pairs of whole numbers that multiply to 850: 1 × 850, 2 × 425, 5 × 170, 10 × 85, 17 × 50, 25 × 34.

What is the sum of the factors of 850?

Adding all the factors of 850 together gives 1674. Excluding 850 itself, the proper factors sum to 824.

Is 850 a perfect square?

No, 850 is not a perfect square. There is no whole number that multiplies by itself to give 850. The nearest perfect squares are 841 and 900.

What is the largest factor of 850 other than itself?

The largest factor of 850 apart from 850 itself is 425, since 850 ÷ 425 = 2.

How many factors does 850 have?

850 has 12 factors: 1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, and 850. You can verify this from the prime factorization 2 × 5² × 17: add 1 to each exponent and multiply, giving 2 × 3 × 2 = 12.

Explore more

Try another number in the factor calculator, break 850 down further with the prime factorization calculator, or compare 850 with another number using the GCF calculator and LCM calculator. For divisor counts and sums, see the divisor calculator.