Science Quiz / Prime Number or Not?

Random Science or This or That Quiz

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

Quiz Updated Feb 16, 2015

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Score 0/80 Timer 03:00
Number'P'rime or 'N'ot?
103
1967
71
47
19
59
321
2
43
751
263
947
61
117
1000
5
114
1551
123
97
Number'P'rime or 'N'ot?
55
171
225
63
989
89
253
107
83
639
1103
3
141
37
2011
15
105
149
73
21
Number'P'rime or 'N'ot?
7
29
67
53
31
77
187
151
1999
4
11
703
207
101
41
153
17
2013
23
69
Number'P'rime or 'N'ot?
42
199
999
13
27
641
1747
137
1337
79
87
49
201
267
2001
99
111
1001
51
222

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