Factors of 869: Prime Factorization, Methods, and Examples

Every number that exists on the number line has some factors. The number 869 has a total of 4 factors which means these four numbers completely divide the number 869.

Factors Of 869

As the number of factors of 869 is more than 2 so it is included in the list of composite numbers.

Factors of 869

Here are the factors of number 869.

Factors of 869: 1, 11, 79, and 869.

Negative Factors of 869

The negative factors of 869 are similar to its positive aspects, just with a negative sign.

Negative Factors of 869: -1, -11, -79, and -869

Prime Factorization of 869

The prime factorization of 869 is the way of expressing its prime factors in the product form.


Prime Factorization

In this article, we will learn about the factors of 869 and how to find them using various techniques such as upside-down division, prime factorization, and factor tree.

What Are the Factors of 869?

The factors of 869 are 1, 11, 79, 869. These numbers are the factors as they do not leave any remainder when divided by 869.

The factors of 869 are classified as prime numbers and composite numbers. The prime factors of the number 869 can be determined using the prime factorization technique.

How To Find the Factors of 869?

You can find the factors of 869 by using the rules of divisibility. The divisibility rule states that any number, when divided by any other natural number, is said to be divisible by the number if the quotient is the whole number and the resulting remainder is zero.

To find the factors of 869, create a list containing the numbers that are exactly divisible by 869 with zero remainders. One important thing to note is that 1 and 869 are the 869’s factors as every natural number has 1 and the number itself as its factor.

1 is also called the universal factor of every number. The factors of 869 are determined as follows:

\[\dfrac{869}{1} = 869\]

\[\dfrac{869}{11} = 79\]

\[\dfrac{869}{79} = 11\]

\[\dfrac{869}{869} = 1\]

Therefore, 1, 11, 79, and 869. are the factors of 869.

Total Number of Factors of 869

For 869, there are 4 positive factors and 4 negative ones. So in total, there are 8 factors of 869. 

To find the total number of factors of the given number, follow the procedure mentioned below:

  1. Find the factorization/prime factorization of the given number.
  2. Demonstrate the prime factorization of the number in the form of exponent form.
  3. Add 1 to each of the exponents of the prime factor.
  4. Now, multiply the resulting exponents together. This obtained product is equivalent to the total number of factors of the given number.

By following this procedure, the total number of factors of 869 is given as:

Factorization of 869 is 1 x 11 x 79.

The exponent of 1, 11, and 79 is 1.

Adding 1 to each and multiplying them together results in 8.

Therefore, the total number of factors of 869 is 8, 4 are positive, and 4 factors are negative.

Important Notes

Here are some essential points that must be considered while finding the factors of any given number:

  • The factor of any given number must be a whole number.
  • The factors of the number cannot be in the form of decimals or fractions.
  • Factors can be positive as well as negative.
  • Negative factors are the additive inverse of the positive factors of a given number.
  • The factor of a number cannot be greater than that number.
  • Every even number has 2 as its prime factor, the smallest prime factor.

Factors of 869 by Prime Factorization

The number 869 is a composite number. Prime factorization is a valuable technique for finding the number’s prime factors and expressing the number as the product of its prime factors.

Prime factorization of 869

Before finding the factors of 869 using prime factorization, let us find out what prime factors are. Prime factors are the factors of any given number that are only divisible by 1 and themselves.

To start the prime factorization of 869, start dividing by its most minor prime factor. First, determine that the given number is either even or odd. If it is an even number, then 2 will be the smallest prime factor.

Continue splitting the quotient obtained until 1 is received as the quotient. The prime factorization of 869 can be expressed as:

869 = 11 x 79

Factors of 869 in Pairs

The factor pairs are the duplet of numbers that, when multiplied together, result in the factorized number. Factor pairs can be more than one depending on the total number of factors given.

Factors of 869 in pairs


For 869, the factor pairs can be found as:

1 x 869 = 869

11 x 79 = 869 

The possible factor pairs of 869 are given as (1, 869) and (11, 79).

All these numbers in pairs, when multiplied, give 869 as the product.

The negative factor pairs of 869 are given as:

-1 x -869 = 869 

-11 x -79 = 869

It is important to note that in negative factor pairs, the minus sign has been multiplied by the minus sign, due to which the resulting product is the original positive number. Therefore, -1, -11, -79, and -869. are called negative factors of 869.

The list of all the factors of 869, including positive as well as negative numbers, is given below.

Factor list of 869: 1, -1, 11, -11, 79, -79, 869 and -869.

Factors of 869 Solved Examples

To better understand the concept of factors, let’s solve some examples.

Example 1

How many factors of 869 are there?


The total number of Factors of 869 is 4.

Factors of 869 are 1, 11, 79, and  869..

Example 2

Find the factors of 869 using prime factorization.


The prime factorization of 869 is given as:

869 $\div$ 11 = 79 

79 $\div$ 79 = 1 

So the prime factorization of 869 can be written as:

11 x 79 = 869

Factors of 868|Factors List| Factors of 870