Science / Prime Number or Not?

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

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