What is the greatest common factor of 45 and 54?(1 point)
Responses
45
45
1
1
3
3
9
9
9
To find the greatest common factor (GCF) of 45 and 54, we can list the factors of each number and find the largest factor they have in common.
Factors of 45: 1, 3, 5, 9, 15, 45
Factors of 54: 1, 2, 3, 6, 9, 18, 27, 54
The greatest common factor of 45 and 54 is 9.