Prime Number or Not?

Random Science or math Quiz

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

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

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