Common factor of 6 9 and 15 July 8, 2019 16 32 64 128 Greatest common factor of 6 9 and 15 Highest common factor of 6 9 and 15 Least common factor of 6 9 and 15 Factor of 6 Common factors class 4 Common factor of 6 and 9 Greatest common factor of polynomials Find a common denominator of fractions