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

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