Find the GCF of the given pair numbers.

Answer:

11) 16 and 24 → 8

12) 20 and 30 → 10

13) 48 and 56 → 8

14) 12 and 18 → 6

15) 24 and 48 → 24

Solution:

11) 16 and 24

16 = 1, 2, 4, 8, 16

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

#The Greatest Common Factor of 16 and 24 is 8#

12) 20 and 30

20 = 1, 2, 4, 5, 10, 20

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

#The Greatest Common Factor of 20 and 30 is 10#

13) 48 and 56

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

56 =  1, 2,4, 7, 8, 14, 28, 56

#The Greatest Common Factor of 48 and 56 is 8#

14) 12 and 18

12 = 1 , 2, 3, 4, 6, 12

18 = 1, 2, 3, 6, 9, 18

#The Greatest Common Factor of 12 and 18 is 6#

15) 24 and 48

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

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

#The Greatest Common Factor of 24 and 48 is 24#

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