Prime Number or Not?

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

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