Mathematics Worksheet/Greatest Common Factors

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Find the Greatest Common Factor of:

1

3 and 6

2

4 and 2

3

7 and 14

4

10 and 25

5

13 and 39

6

14 and 20

7

6 and 14

8

18 and 45

9

22 and 33

10

15 and 25

11

24 and 36

12

32 and 56

13

25 and 65

14

36 and 90

15

42 and 63

16

10 and 28

17

27 and 63

18

105 and 175

19

32 and 60

20

42 and 70

21

75 and 150

22

63 and 90

23

48 and 75

24

130 and 30

25

46 and 23

26

56 and 84

27

75 and 125

28

90 and 125

29

65 and 26

30

135 and 195

31

220 and 440

32

75 and 60

33

12 and 60

34

95 and 57

35

48 and 84

36

35, 50 and 120

37

25, 75 and 150

38

28, 56 and 84

39

44, 55 and 77

40

24, 36 and 90

41

26, 39 and 130

42

52, 26 and 39

43

95, 133 and 57

44

76, 38 and 114

45

144, 36 and 48

46

46, 23 and 92

47

66, 33 and 22

48

315, 210 and 75

49

47, 94 and 147

50

56, 70 and 190