Prime Number or Not?

Random Science or This or That Quiz

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

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

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Created Dec 14, 2011Editor's PickSourceReportNominate
Tags:math, Numbers, This or That, Guessing Game, Prime Numbers