Prime Factorization
16
2x2x2x2 or 24
59
1;59
30 and 5
5
7 and 9
63
25
5x5 or 52
15
1,15;3,5
20 and 14
2
8 and 12
24
5x3x3 or 5x32
12
1,12 ; 2,6 ; 3,4
30 and 10
10
8 and 10
40
72
2x2x2x3x3 or 23x32
100
1, 100; 2, 50; 4, 25; 5, 20; 10, 10
24 and 36
12
15 and 100
300
126
2 x 3 x 3 x 7 or 2 x 32 x 7
36
1, 36; 2, 18; 3, 12; 4, 9; 6, 6
100 and 120
20
7, 18, and 21
126