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Prime Factors 2-100

List the prime factors of the numbers from 2-100 in order
Write the factors from lowest to highest, ie 143 is 11*13
Write the same factor multiple times instead of using index form if it appears more than once
Quiz by MrGregg
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Last updated: April 21, 2024
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First submittedApril 20, 2024
Times taken17
Average score43.4%
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Number
Prime factors
2
2
3
3
4
2,2
5
5
6
2,3
7
7
8
2,2,2
9
3,3
10
2,5
11
11
12
2,2,3
13
13
14
2,7
15
3,5
16
2,2,2,2
17
17
18
2,3,3
19
19
20
2,2,5
21
3,7
22
2,11
23
23
24
2,2,2,3
25
5,5
26
2,13
27
3,3,3
28
2,2,7
29
29
30
2,3,5
31
31
32
2,2,2,2,2
33
3,11
34
2,17
35
5,7
36
2,2,3,3
37
37
38
2,19
39
3,13
40
2,2,2,5
41
41
42
2,3,7
43
43
44
2,2,11
45
3,3,5
46
2,23
47
47
48
2,2,2,2,3
49
7,7
50
2,5,5
51
3,17
Number
Prime factors
52
2,2,13
53
53
54
2,3,3,3
55
5,11
56
2,2,2,7
57
3,19
58
2,29
59
59
60
2,2,3,5
61
61
62
2,31
63
3,3,7
64
2,2,2,2,2,2
65
5,13
66
2,3,11
67
67
68
2,2,17
69
3,23
70
2,5,7
71
71
72
2,2,2,3,3
73
73
74
2,37
75
3,5,5
76
2,2,19
77
7,11
78
2,3,13
79
79
80
2,2,2,2,5
81
3,3,3,3
82
2,41
83
83
84
2,2,3,7
85
5,17
86
2,43
87
3,29
88
2,2,2,11
89
89
90
2,3,3,5
91
7,13
92
2,2,23
93
3,31
94
2,47
95
5,19
96
2,2,2,2,2,3
97
97
98
2,7,7
99
3,3,11
100
2,2,5,5
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