Q. What is the greatest common factor of 16 and 4?_____
List Factors of 16: List the factors of 16. Factors of 16: 1, 2, 4, 8, 16
List Factors of 4: List the factors of 4.Factors of 4: 1, 2, 4
Identify Common Factors: Identify the common factors of 16 and 4.Common factors: 1, 2, 4
Find Greatest Common Factor: Find the greatest common factor (GCF). The greatest common factor is 4, since it's the largest number common to both lists.