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

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