Respuesta :

Answer:

6

Step-by-step explanation:

1. Factorize the numbers.

30 = 2 × 3 × 5

48 = 2^4 × 3

72 = 2³ × 3²

2. Find the number of times each prime factor appears in the factorization.

GCF = 2 × 3 = 6

The greatest common factor would be 6, I believe.