Write all factors of 25
18
9
4
8
3
16
6
1 and 30; 2 and 15; 3 and 10; 4 and 9; 5 and 6
1 and 30; 2 and 15; 3 and 10; 5 and 6
1 and 30; 2 and 15; 3 and 10; 5 and 8
1 and 30; 2 and 15; 3 and 10; 4 and 8; 5 and 6
32, 33, 36
21, 24, 30
3, 13, 23
13, 16, 19
74
35
63
21
49
47
27
77
37
57