Answer:
12
Step-by-step explanation:
Express the numbers as a product of their prime factors
36 = 2² × 3²
60 = 2² × 3 × 5
Identify those prime factors that both numbers have in common and multiply them.
The common factors are 2² and 3 , thus
GCF = 2² × 3 = 4 × 3 = 12
