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) 79
P
1.
2) 53
P
2.
3) 22
C
3.
4) 31
P
4.
5) 98
C
5.
6) 27
C
6.
7) 16
C
7.
8) 40
C
8.
9) 24
C
9.
10) 67
P
10.
11) 71
P
11.
12) 87
C
12.
13) 11
P
13.
14) 43
P
14.
15) 97
P
15.
16) 39
C
16.
17) 88
C
17.
18) 73
P
18.
19) 10
C
19.
20) 89
P
20.
1-10 95 90 85 80 75 70 65 60 55 50
Math
1
11-20 45 40 35 30 25 20 15 10 5
0

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