list lthe factor of each number in each and send determining to the greatest common factor
1.30____
10___
GCF=________
2.24__
40____
GCF=____
3. 15_____
45_____
GCF=_______
4. 9____
72____
GCF=_____
5.42___
18____
GCF=______
1.30____
10___
GCF=________
2.24__
40____
GCF=____
3. 15_____
45_____
GCF=_______
4. 9____
72____
GCF=_____
5.42___
18____
GCF=______
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Answer:
1.
30 - 1, 2, 3, 5, 6, 10, 15, 30
10 - 1, 2, 3, 5, 6, 10
GCF = 10
2.
24 - 1, 2, 3, 4, 6, 8, 12, 24
40 - 1, 2, 4, 5, 8, 10 , 20, 40
GCF = 8
3.
15 - 1, 3, 5, 15
45 - 1, 3, 5, 9, 15, 45
GCF = 15
4.
9 - 1, 3, 9
72 - 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
GCF = 9
5.
42 - 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
18 - 1, 2, 3, 6, 9, 18
GCF = 18