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

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