Factors of 10 are 1 , 10 , 2 and 5 Factors of 12 are 1 , 12 , 2 , 6 , 3 and 4 Factors of 25 are 1 , 25 and 5 Factors of 7 are 1 , 7 Factors of 14 are 1 , 14 , 2 and 7 65