Online Factoring Calculator to
Find All Factors of a Number

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The online factoring calculator on this page will make factoring a number quick and easy.

This number factorization calculator will quickly find all factors for any number less than or equal to 10 million, plus it will display all of the factor pairs for which the product of each set of numbers is equal to the number entered.

If you are interested in finding the prime factors of a number, please visit the prime factorization calculator. Or, if you want to check to see if a number is prime before you attempt to factor it, feel free to visit the prime number checker.

Introduction to Factoring Numbers

Factoring in math is the process of finding all number sets for which the products (result when pair is multiplied) are equal to the number you are factoring. These number sets are typically referred to as the factors or divisors of a given number.

For example, if the number you are trying to find the divisors for is 24, the qualifying number sets would be as follows:

(1,24) since 1 x 24 = 24
(2,12) since 2 x 12 = 24
(3,8) since 3 x 8 = 24
(4,6) since 4 x 6 = 24

Next, if we combine the above divisors into a single list, and order the list from smallest to largest, your factors for the number 24 would look like this:

1, 2, 3, 4, 6, 8, 12, 24

Factoring in math is often most often used for finding the greatest common factor (GCF) for two or more numbers, as well as for prime factorization and for simplifying fractions, expressions, and equations. I will be covering each of these factoring concepts on their corresponding calculators.

With that, let's use the Online Factoring Calculator to find all of the divisors of a given number.

Online Factoring Calculator
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Instructions: Enter the number you would like to find the factors for and then click the "Begin Factoring a Number" button.

Mouse over the blue question marks for a further explanation of each entry field. More in-depth explanations can be found in the glossary of terms located beneath the Online Factoring Calculator.

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Online Factoring Calculator Glossary of Terms

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Number less than 10 million: Enter the positive integer you would like to find the factors for (maximum of 10 million).

Number of divisors: This is the number of divisors the factoring calculator found for the number you entered.

Factor list: Lists all of the factors (divisors) found by the factoring solver, ordered from smallest to largest. Just below the list of factors you will also see the individual multiplications that the factors were derived from.

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