Factoring Worksheet

Factor the following numbers to their prime factors.

1 a.   183

 
 
 
 
 
 
1 b.   485

 
 
 
 
 
 
2 a.   18

 
 
 
 
 
 
2 b.   128

 
 
 
 
 
 
3 a.   311

 
 
 
 
 
 
3 b.   151

 
 
 
 
 
 
4 a.   35

 
 
 
 
 
 
4 b.   271

 
 
 
 
 
 
Page 2

Answer Key

1 c.  3 × 61
1 b.  5 × 97
2 b.  2 × 32
2 b.  27
3 a.  prime
3 a.  prime
4 a.  5 × 7
4 b.  prime


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