Question

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Answer 1

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18 =2,3,3

30 =2,3,5

common factor = 2,3

GCF = 3

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60 =3,5,2,2

45 =5,3,3

Common factor =3,5

GCF =5

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23 =1,23

29 =1,29

Common factor = 1

GCF =1

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56 =2,2,2,7

72 =2,2,2,3,3

Common factor = 2

GCF = 2

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Answer 2

45:common factors:2,3,
Greatest factor:3
46:c f:3,5
G f:5