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

created by chair
  • Enter a prime or not in the box below
  • Correctly named prime numbers will show up below
  • Click any empty Number or 'P'rime or 'N'ot? to answer for that location
  • Some wrong answers will appear in red
  • Source: List of Prime Numbers
  • This quiz has not been verified by Sporcle
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Number'P'rime or 'N'ot?
1999
101
17
201
27
141
43
67
61
89
31
15
97
2013
53
47
703
11
42
137
Number'P'rime or 'N'ot?
55
171
1967
639
253
7
83
1551
59
151
73
3
49
149
5
1000
79
207
87
187
Number'P'rime or 'N'ot?
989
1337
2001
29
99
1001
37
41
222
2011
999
947
111
51
153
77
21
23
13
263
Number'P'rime or 'N'ot?
103
4
105
2
123
117
19
71
199
114
225
69
641
321
267
751
63
1103
107
1747
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Prime Number or Not? Quiz

  1. by chair
  • Created Dec 14, 2011 in Science
  • Game Plays 63

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