Science Quiz / Prime Number or Not?

Random Science or Math Quiz

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

 Plays Quiz Updated Feb 16, 2015

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

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