Prime Number or Not?

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

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