Mathsheets
Printable math worksheets for teachers and families
Name
Date
Time
:
to
:
Prime or Composite — Circle the Primes
Check every prime number. (Remember: 1 is neither prime nor composite.)
Example
11
8
58
99
79
76
1.
3
8
98
71
53
42
2.
77
53
21
38
31
54
3.
56
63
69
97
93
83
4.
5
19
37
44
3
10
5.
56
83
66
93
13
54