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

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