THE FACTORS OF 16 ARE 1,2,4,8,16 THE FACTORS OF 96 ARE 1,2,3,4,6,8,12,16,24,32,48,96 THE GREATEST COMMON FACTOR IS 16 THE GREATEST COMMON FACTOR OF 2 OR MORE NUMBERS IS THE LARGEST WHOLE NUMBER THAT DIVIDES EVENLY INTO EACH OF THE NUMBERS
As the homework and test are two separate things, selecting an odd or even number on either of them will not affect the probability of selecting an odd or even number on the other.