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4a) 7
Thank you so much
4b) 9
4c) 10
4d) 6
5) 60
30
20
15
12
10
30
20
15
12
10
5) 75
25
15
25
15
5a) factors of 60: 1,2,3,4,5,10,12,15,20,30,60
5b) factors of 75: 1,3,5,15,25,75
5b) factors of 75: 1,3,5,15,25,75
5c) common factors: 1,3,5,15
6) factors of 10: 1,2,5,10
factors of 15: 1,3,5,15
common factors: 1,3,5
factors of 15: 1,3,5,15
common factors: 1,3,5