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) 13
P
1.
2) 37
P
2.
3) 33
C
3.
4) 7
P
4.
5) 26
C
5.
6) 19
P
6.
7) 29
P
7.
8) 27
C
8.
9) 43
P
9.
10) 39
C
10.
11) 83
P
11.
12) 47
P
12.
13) 59
P
13.
14) 71
P
14.
15) 9
C
15.
16) 89
P
16.
17) 48
C
17.
18) 69
C
18.
19) 53
P
19.
20) 4
C
20.
1-10 95 90 85 80 75 70 65 60 55 50
Math
7
11-20 45 40 35 30 25 20 15 10 5
0

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