Factoring Worksheet

Factor the following numbers to their prime factors.

1 a.   68

 
 
 
 
 
 
1 b.   38

 
 
 
 
 
 
2 a.   34

 
 
 
 
 
 
2 b.   37

 
 
 
 
 
 
3 a.   78

 
 
 
 
 
 
3 b.   80

 
 
 
 
 
 
4 a.   52

 
 
 
 
 
 
4 b.   21

 
 
 
 
 
 
Page 2

Answer Key

1 c.  22 × 17
1 b.  2 × 19
2 b.  2 × 17
2 b.  prime
3 b.  2 × 3 × 13
3 c.  24 × 5
4 b.  22 × 13
4 b.  3 × 7


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