Factoring Worksheet

Factor the following numbers to their prime factors.

1 a.   39

 
1 b.   96

 
2 a.   42

 
2 b.   18

 
3 a.   97

 
3 b.   95

 
4 a.   48

 
4 b.   47

 
5 a.   23

 
5 b.   49

 
6 a.   91

 
6 b.   34

 
7 a.   30

 
7 b.   11

 
8 a.   71

 
8 b.   14

 
Page 2

Answer Key

1 c.  3 × 13
1 b.  25 × 3
2 b.  2 × 3 × 7
2 c.  2 × 32
3 b.  prime
3 b.  5 × 19
4 b.  24 × 3
4 b.  prime
5 b.  prime
5 b.  72
6 a.  7 × 13
6 b.  2 × 17
7 b.  2 × 3 × 5
7 c.  prime
8 c.  prime
8 c.  2 × 7


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