Factors of 591: Prime Factorization, Methods, and Examples

The number 591 has four positive factors. The remainder is zero when 591 is treated as a dividend, and one of the four factors is treated as a divisor. The quotient is an integer in this case. 

Factors Of 591

Other than 591 itself, all four factors of 591 are prime numbers, meaning they don’t have any factors save one and themselves.

Factors of 591

Here are the factors of number 591.

Factors of 591: 1, 3, 197, and 591

Negative Factors of 591

The negative factors of 591 are similar to its positive aspects, just with a negative sign.

Negative Factors of 591: -1, -3, -197, and -591

Prime Factorization of 591

The prime factorization of 591 is the way of expressing its prime factors in the product form.

Prime Factorization: 3 x 197

In this article, we will learn about the factors of 591 and how to find them using various techniques such as upside-down division, prime factorization, and factor tree.

What Are the Factors of 591?

The factors of 591 are 1, 3, 197, and 591. These numbers are the factors as they do not leave any remainder when divided by 591.

The factors of 591 are classified as prime numbers and composite numbers. The prime factors of the number 591 can be determined using the prime factorization technique.

How To Find the Factors of 591?

You can find the factors of 591 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 591, create a list containing the numbers that are exactly divisible by 591 with zero remainders. One important thing to note is that 1 and 591 are the 591’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 591 are determined as follows:

\[\dfrac{591}{1} = 591\]

\[\dfrac{591}{3} = 197\]

\[\dfrac{591}{197} = 3\]

\[\dfrac{591}{591} = 1\]

Therefore, 1, 3, 197, and 591 are the factors of 591.

Total Number of Factors of 591

For 591, there are 4 positive factors and 4 negative ones. So in total, there are 8 factors of 591. 

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 591 is given as:

Factorization of591 is 3 x 197.

The exponent of 3 and 197 is 1.

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

Therefore, the total number of factors of 591 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 591 by Prime Factorization

The number 591 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 591

Before finding the factors of 591 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 591, 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 591 can be expressed as:

591 =3 x 197

Factors of 591 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.Factors of 591 in Pairs

For 591, the factor pairs can be found as:

1 x 591 = 591

3 x 197 = 591

The possible factor pairs of 591 are given as (1, 591) and (3, 197 ).

All these numbers in pairs, when multiplied, give 591 as the product.

The negative factor pairs of 591 are given as:

-1 x -591 = 591

-3 x -197 = 591

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, -3, -197, and -591 are called negative factors of 591.

The list of all the factors of 591, including positive and negative numbers, is given below.

Factor list of 591: 1,-1, 3,-3,197, -197,  591, and -591

Factors of 591 Solved Examples

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

Example 1

How many factors of 591 are there?


The total number of Factors of 591 is 8.

Factors of 591 are 1, 3, 197, and 591.

Example 2

Find the factors of 591 using prime factorization.


The prime factorization of 591 is given as:

591 $\div$ 3 = 197

197 $\div$ 197 = 1 

So the prime factorization of 591 can be written as:

3 x 197 = 591

Factors of 590|Factors List| Factors of 592