Question

timed problem
score: 0/10
find the greatest common factor of 48 and 16.
answer
4
16
2
8

Explanation:

Step1: List prime factors of 48

$48 = 2 \times 2 \times 2 \times 2 \times 3$

Step2: List prime factors of 16

$16 = 2 \times 2 \times 2 \times 2$

Step3: Multiply shared prime factors

$2 \times 2 \times 2 \times 2 = 16$

Answer:

16