Science Quiz / Prime Number or Not?

Random Science or Math Quiz

Can you name the prime numbers (p) and composite numbers (n)?

Quiz Updated Feb 16, 2015

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Score 0/80 Timer 03:00
Number'P'rime or 'N'ot?
77
99
17
11
1000
2013
199
107
639
47
1747
29
1001
989
87
2
1999
171
79
151
Number'P'rime or 'N'ot?
43
49
55
67
71
225
21
207
1103
97
3
83
153
111
641
73
27
947
263
141
Number'P'rime or 'N'ot?
23
267
51
703
19
2011
1967
321
222
13
201
999
253
53
4
137
2001
7
41
89
Number'P'rime or 'N'ot?
105
123
114
59
61
5
1337
69
117
42
149
63
187
31
103
101
15
37
1551
751

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