Science Quiz / Prime Number or Not?

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

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