Factors
Factors of 18
1, 2, 3, 6, 9, 18
4th multiple of 9
36
Factors of 28
1, 2, 4, 7, 14, 28
3rd multiple of 15
45
Number under 100 with exactly 6 factors: 12
(factors: 1, 2, 3, 4, 6, 12)
Factors of 36
1, 2, 3, 4, 6, 9, 12, 18, 36
7th multiple of 6
42
Factors of 63
1, 3, 7, 9, 21, 63
6th multiple of 9
54
Factor of 60 and multiple of 5:
10, 15, 20, 30, 60
Factors of 44
1, 2, 4, 11, 22, 44
5th multiple of 12
60
Factors of 45
1, 3, 5, 9, 15, 45
8th multiple of 11
88
Factor of 84 that's also a multiple of 7:
14, 21, 28, 42, 84
Factors of 60
1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
9th multiple of 8
72
Factors of 84
1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
12th multiple of 6
72
Multiple of 8 that's also a factor of 96
8, 16, 24, 32, 48, 96
Factors of 72
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
12th multiple of 7
84
Factors of 96
1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96
11th multiple of 12
132
Factor of 132 that's over 12 but less than 50
22, 33, 44