[tex]\huge\pink{\boxed{\tt{\colorbox{pink}{question:}}}}[/tex]
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[tex]\huge\pink{\boxed{\tt{\colorbox{pink}{answer:}}}}[/tex]
1.) 15 and 45
15: 1, 3, 5, 15
45: 1, 3, 5, 9, 15, 45
GCF: 15
2.) 28 and 36
28: 1, 2, 4, 7, 14, 28
36: 1, 2, 3, 4, 6, 9, 12, 18, 36
GCF: 4
3.) 8 and 12
8: 1, 2, 4, 8
12: 1, 2, 3, 4, 6, 12
GCF: 4
4.) 8, 24, and 40
8: 1, 2, 4, 8
24: 1, 2, 3, 4, 6, 8, 12, 24
40: 1, 2, 4, 5, 8, 10, 20, 40
GCF: 8
5.) 16, 24, and 32
16: 1, 2, 4, 8, 16
24: 1, 2, 3, 4, 6, 8, 12, 24
32: 1, 2, 4, 8, 16, 32
GCF: 8
6.) 8, 12, and 16
8: 1, 2, 4, 8
12: 1, 2, 3, 4, 6, 12
16: 1, 2, 4, 8, 16
GCF: 4
7.) 18 and 24
18: 1, 2, 3, 6, 9, 18
24: 1, 2, 3, 4, 6, 8, 12, 24
GCF: 6
8.) 36 and 33
36: 1, 2, 3, 4, 6, 9, 12, 18, 36
33: 1, 3, 11, 33
GCF: 3
[tex]\huge\pink{\boxed{\tt{\colorbox{pink}{hope \: it \: helps \: you}}}}[/tex]
[tex]\huge\pink{\boxed{\tt{\colorbox{pink}{carry \: on \: learning}}}}[/tex]