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Greatest Common Factor of 2 Numbers

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Find the greatest common factor for each number pair.

1.

6, 9

GCF (6, 9) =

2.

28, 42

GCF (28, 42) =

3.

4, 18

GCF (4, 18) =

4.

96, 84

GCF (96, 84) =

5.

5, 15

GCF (5, 15) =

6.

75, 30

GCF (75, 30) =

7.

12, 8

GCF (12, 8) =

8.

9, 39

GCF (9, 39) =

9.

21, 9

GCF (21, 9) =

10.

27, 54

GCF (27, 54) =

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