What are the proper factor of 2-50?

Answer 1

Here are the factors of 2-50

2: 1, 2

3: 1, 3

4: 1, 2, 4

5: 1, 5

6: 1, 2, 3, 6

7: 1, 7

8: 1, 2, 4, 8

9: 1, 3, 9

10: 1, 2, 5, 10

11: 1, 11

12: 1, 2, 3, 4, 6, 12

13: 1, 13

14: 1, 2, 7, 14

15: 1, 3, 5, 15

16: 1, 2, 4, 8, 16

17: 1, 17

18: 1, 2, 3, 6, 9, 18

19: 1, 19

20: 1, 2, 4, 5, 10, 20

21: 1, 3, 7, 21

22: 1, 2, 11, 22

23: 1, 23

24: 1, 2, 3, 4, 6, 8, 12, 24

25: 1, 5, 25

26: 1, 2, 13, 26

27: 1, 3, 9, 27

28: 1, 2, 4, 7, 14, 28

29: 1, 29

30: 1, 2, 3, 5, 6, 10, 15, 30

31: 1, 31

32: 1, 2, 4, 8, 16, 32

33: 1, 3, 11, 33

34: 1, 2, 17, 34

35: 1, 5, 7, 35

36: 1, 2, 3, 4, 6, 9, 12, 18, 36

37: 1, 37

38: 1, 2, 19, 38

39: 1, 3, 13, 39

40: 1, 2, 4, 5, 8, 10, 20, 40

41: 1, 41

42: 1, 2, 3, 6, 7, 14, 21, 42

43: 1, 43

44: 1, 2, 4, 11, 22, 44

45: 1, 3, 5, 9, 15, 45

46: 1, 2, 23, 46

47: 1, 47

48: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

49: 1, 7, 49

50: 1, 2, 5, 10, 25, 50

To get the proper factors, leave out one and the number itself. Prime numbers don't have proper factors.