Common factors of 10 30 and 40 July 8, 2019 16 32 64 128 Common factors of 10 30 40 The following are common factors of 10 30 and 40 except one The common factors of 20 30 and 40 are 2 5 and 10 Common factor analysis Common factors class 4 Common factors of 30 Common factors for 30 and 40