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The online tool that is used to calculate and give the common factors for any given two random numbers is called as factoring calculator. Factoring is finding all the numbers which are divisible by the given numbers and it’s a very basic and important concept in math.

**Example 1: ****What are the factors for the numbers 48 and 90?**

First we should write down the set of factors of the given numbers.

To get the set of factors, we need to look out for numbers which can perfectly multiply

with another number to get the given number.

Set of factors for 48 = {1, 2, 3, 4, 6, 8, 12, 16, 24, 48}

Set of factors for 90 = {1, 2, 3, 5, 6, 9,10,15,18, 30, 45, 90}

with another number to get the given number.

Set of factors for 48 = {1, 2, 3, 4, 6, 8, 12, 16, 24, 48}

Set of factors for 90 = {1, 2, 3, 5, 6, 9,10,15,18, 30, 45, 90}

Following the above same method, first we need to write the set of factors.

Then check for the numbers which are common factors for both the given numbers.

Set of factors for 125 = {1, 5, 25,125}

Set of factors for 75 = {1, 3, 5, 15, 25, 75}

The common factors are {1, 5, 25}

**Hence common factors for 125 and 75 are 1, 5, 25**

Then check for the numbers which are common factors for both the given numbers.

Set of factors for 125 = {1, 5, 25,125}

Set of factors for 75 = {1, 3, 5, 15, 25, 75}

The common factors are {1, 5, 25}