What is the common factor of 9 and 63 July 8, 2019 16 32 64 128 What is the greatest common factor of 9 and 63 What is the highest common factor of 9 and 63 What is the greatest common factor of 9 63 and 6 What is the greatest common factor of 9 27 and 63 What is the greatest common factor of 63 9 and 45 Factor of 6 Greatest common factor of polynomials