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8 questions
Which numbers are prime?
1
2
11
15
21
Which numbers are composite?
6
45
33
47
29
Which numbers are prime?
23
61
19
7
9
Which numbers are composite?
55
49
63
37
13
Which numbers are prime?
14
41
5
24
8
Which numbers are prime?
16
17
3
27
100
Which numbers are composite?
12
22
10
31
71
Which numbers are prime?
39
43
59
81
77
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