Answer:
1.) 54 & 27
54 = 1, 2, 3, 6, 9, 18, 27, 54
27 = 1, 3, 9, 27
Common factors = 1, 3, 9, 27
GCF of 54 and 27 is 27
3 I 54 27
3 I 18 9
3 I 6 3
I 2 1
GCF is 3 x 3 x 3 = 27
2.) 32 & 24
32 = 1, 2, 4, 8, 16, 32
24 = 1, 2, 3, 4, 6, 8, 12, 24
Common factors = 1, 2, 4, 8
GCF of 32 and 24 is 8
2 I 32 24
2 I 16 12
2 I 8 6
I 4 3
GCF is 2 x 2 x 2 = 8
3.) 72 & 60
72 = 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
60 = 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
Common factors = 1, 2, 3, 4, 6, 12
GCF of 72 and 60 is 12
2 I 72 60
2 I 36 30
3 I 18 15
I 6 5
GCF is 2 x 2 x 3 = 12
Step-by-step explanation:
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