What is the common factor of 9 15 and 21 July 8, 2019 16 32 64 128 What is the greatest common factor of 9 15 and 21 Find the common factor of 9 15 and 21 Highest common factor of 9 15 and 21 23+1 9 23+- 9 1 2 3 4 5 moddalar 5 + 9 = 14
