Prime Number or Not?

Random Science or Numbers Quiz

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

Featured Feb 16, 2015

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

Friend Scores


  Player Best Score Plays Last Played
You You haven't played this game yet.

You Might Also Like...

Extras