Mathematics Worksheet/Lowest Common Multiples

Find the LCM of:

1

2 and 3

2

3 and 6

3

7 and 14

4

10 and 15

5

10 and 16

6

8 and 20

7

12 and 15

8

15 and 20

9

18 and 22

10

9 and 12

11

20 and 24

12

50 and 75

13

34 and 51

14

45 and 90

15

35 and 60

16

13 and 26

17

36 and 90

18

25 and 30

19

100 and 400

20

500 and 2,000

21

3, 6 and 9

22

7, 21 and 42

23

12, 24 and 36

24

24, 72 and 36

25

25, 30 and 50

26

42, 14 and 21

27

32, 48 and 60

28

23, 46 and 115

29

64, 128 and 256

30

56, 80 and 140

31

75, 100 and 200

32

14, 21 and 35

33

24, 36 and 60

34

41, 82 and 123

35

54, 72 and 90

36

12, 18, 30 and 40

37

25, 35, 50 and 100

38

14, 21, 35 and 70

39

21, 35, 14 and 56

40

32, 48, 24 and 60