Prime Number or Not?

Random Science or Numbers Quiz

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

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

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