What is the GCT for 28 and 32?

The greatest common factor (GCF) of 28 and 32 is 4. This is determined by finding the factors of each number: the factors of 28 are 1, 2, 4, 7, 14, and 28, while the factors of 32 are 1, 2, 4, 8, 16, and 32. The highest common factor between them is 4.