Answer:
D) 8
Step-by-step explanation:
Step 1: List the factors of each number. The factors are the numbers you multiply to make a product. The factors for each are:
16: 1, 2, 4, 8, 16
24: 1, 2, 3, 4, 6, 8, 12, 24
As you can see, the highest number on each row is 8. That's the GCF of both numbers.