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

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