Directions: Using the digits 0-9 at most once, fill in the boxes to make the largest possible greatest common factor.

### Hint

How can we tell if your three numbers have any relationship with each other?

How can we use our knowledge of multiples?

### Answer

97 would be the largest possible GCF (using the numbers 97 and 485 or 97 and 582)

Source: Howie Hua

97 is the GCF

97

Can you provide steps?