Factoring Worksheet

Factor the following numbers to their prime factors.

1 a.   73

 
1 b.   36

 
2 a.   22

 
2 b.   63

 
3 a.   92

 
3 b.   31

 
4 a.   40

 
4 b.   75

 
5 a.   54

 
5 b.   38

 
6 a.   19

 
6 b.   89

 
7 a.   16

 
7 b.   36

 
8 a.   58

 
8 b.   89

 
Page 2

Answer Key

1 c.  prime
1 c.  22 × 32
2 b.  2 × 11
2 b.  32 × 7
3 b.  22 × 23
3 b.  prime
4 b.  23 × 5
4 b.  3 × 52
5 b.  2 × 33
5 b.  2 × 19
6 b.  prime
6 b.  prime
7 b.  24
7 a.  22 × 32
8 b.  2 × 29
8 b.  prime


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