Given numbers are 89,23,68,19

To find the common factors of 89,23,68,19 we have to find the factors of every number and list the common in them.

**Factors of 89**

The factors of 89 are :

1,89

**Factors of 23**

The factors of 23 are :

1,23

**Factors of 68**

The factors of 68 are :

1,2,4,17,34,68

**Factors of 19**

The factors of 19 are :

1,19

**Common Factors** of 89,23,68,19 are 1

The **Greatest Common Factor of 89,23,68,19 ** is **1**.

Here are some samples of Common Factors of Numbers calculations.