Since the only whole number products that end in 1 in the multiplication facts that you learned in 4th grade are 1×1 = 1 1×11 = 11 3×7 = 21 9×9 = 81 11×11 = 121 So the only numbers you need to try are numbers ending with 1,3,7,or 9 So you try dividing 33541 by 3. No for you get 11180.33333 you try dividing 33541 by 7. No for you get 4791.571429 you try dividing 33541 by 11. No for you get 3049.181818 you try dividing 33541 by 13. No for you get 2580.076923 you try dividing 33541 by 17. Yes for you get 1973. So A = 17 and B = 1973. Edwin