Respuesta :

Answer: GCF: 2a

Step-by-step explanation:

In order to find the factors, we need to list the prime factorization of 2a and 4ab, assuming a and b are prime numbers.

2a: 2*a

4ab: 2*2*a*b

Notice any common factors?

GCF: 2*a=2a

GCF: 2a