Prime Number or Not?

Random Science or This or That Quiz

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

Updated Feb 16, 2015

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

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