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

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