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

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