What is the common factor of 10 20 and 30 July 8, 2019 16 32 64 128 What is the greatest common factor of 10 20 and 30 What is the highest common factor of 10 20 and 30 Find the common factor of 10 20 and 30 Find the highest common factor of 10 20 and 30 What is the factor of 3 Which of the following is a factor of