Answer:
60
Step-by-step explanation:
Find the prime factorization of 60
60 = 2 × 2 × 3 × 5
Find the prime factorization of 180
180 = 2 × 2 × 3 × 3 × 5
To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2 × 2 × 3 × 5
GCF = 60
