What is the greatest common factor of 90 and 120 July 8, 2019 16 32 64 128 What is the greatest common factor of 60 90 and 120 What is the greatest common factor of 30 90 and 120 What is the greatest common factor of 45 90 and 120 What is the greatest common factor of 75 120 and 90 Greatest common factor of 90 and 120 and 150