Respuesta :

Answer:

4

Step-by-step explanation:

The biggest number that you can divide 28 and 30 is 4.

Answer:

Greatest common factor (GCF) of 28 and 30 is 2.

Step-by-step explanation:

You find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28 and 30.