What is the greatest common factor of 16, 56 and 52?

To find the greatest common factor (GCF) of 16, 56, and 52, follow these steps:

1. First, find the prime factors of each number.

   • The prime factors of 16 are 2 x 2 x 2 x 2.
   • The prime factors of 56 are 2 x 2 x 2 x 7.
   • The prime factors of 52 are 2 x 2 x 13.

2. Next, identify the common prime factors.

   • The common prime factors are 2 x 2.

3. Finally, multiply the common prime factors to find the GCF.

   • The GCF of 16, 56, and 52 is 2 x 2 = 4.