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

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