What is the greatest common factor of 24, 56, 8 and 84?

To find the greatest common factor (GCF) of 24, 56, 8, and 84, follow these steps:

1. First, find the factors of each number:

   • The factors of 24 are: 1, 2, 3, 4, 6, 8, 12, 24
   • The factors of 56 are: 1, 2, 4, 7, 8, 14, 28, 56
   • The factors of 8 are: 1, 2, 4, 8
   • The factors of 84 are: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84

2. Next, identify the common factors of these four numbers:

   • The common factors are: 1, 2, 4, 8

3. The greatest of these common factors is 8.

So, the greatest common factor of 24, 56, 8, and 84 is 8.