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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 taken491
Average score41.4%
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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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1 Comments
strangelybrown
+1
Level 92
Sep 18, 2024
Great quiz idea. I'd love you to double the time though - i can't imagine many can do all those in 5 minutes...
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