Answer:
The gcf of 36 and 63 is 9.
The Greatest Common Factor for 36 and 63 is 9.
Step-by-step explanation:
The factors of 36 are 1,2,3,4,6,9,12,18,36;
The factors of 63 are 1,3,7,9,21,63.
Both 36 and 63 greatest factor would be 9.