Science Quiz / Prime Number or Not?

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

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