Problem: how many of the positive factors of 10 , 16 and how many common factors are there in numbers ?
Rationale: "factors of 12 - 1 , 2 , 3 , 4 , 6 , and 12 factors of 16 - 1 , 2 , 4 , 8 and 16 comparing both , we have three common factors of 45,16 - 3 answer c"
annotated_formula: divide(16, 10)