Answer:
12
Step-by-step explanation:
Find the prime factorization of 132
132 = 2 × 2 × 3 × 11
Find the prime factorization of 432
432 = 2 × 2 × 2 × 2 × 3 × 3 × 3
To find the gcf, multiply all the prime factors common to both numbers:
Therefore, GCF = 2 × 2 × 3
GCF = 12
