Answer:
4
Step-by-step explanation:
We want to find the greatest common factor between 56 and 12.
Factors of 12: {1,2,3,4,6,12}
Factors of 56: {1, 2, 4, 7, 8, 14, 28, 56}
Common: Is factor of both numbers
So the greatest common factor of 12 and 56 is 4.
