Identifying Prime And Composite Numbers Worksheet With Answer Key

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Identifying Prime and Composite Numbers
Determine if the number shown is Prime(P) or Composite(C).
A n s w e r s
1) 15
C
1.
2) 22
C
2.
3) 71
P
3.
4) 37
P
4.
5) 67
P
5.
6) 23
P
6.
7) 11
P
7.
8) 95
C
8.
9) 64
C
9.
10) 90
C
10.
11) 70
C
11.
12) 79
P
12.
13) 82
C
13.
14) 47
P
14.
15) 34
C
15.
16) 89
P
16.
17) 96
C
17.
18) 13
P
18.
19) 61
P
19.
20) 83
P
20.
1-10 95 90 85 80 75 70 65 60 55 50
Math
4
11-20 45 40 35 30 25 20 15 10 5
0

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