Factoring Worksheet

Factor the following numbers to their prime factors.

1 a.   299

 
 
 
 
 
 
1 b.   477

 
 
 
 
 
 
2 a.   351

 
 
 
 
 
 
2 b.   322

 
 
 
 
 
 
3 a.   145

 
 
 
 
 
 
3 b.   59

 
 
 
 
 
 
4 a.   492

 
 
 
 
 
 
4 b.   154

 
 
 
 
 
 
Page 2

Answer Key

1 c.  13 × 23
1 b.  32 × 53
2 b.  33 × 13
2 b.  2 × 7 × 23
3 c.  5 × 29
3 b.  prime
4 b.  22 × 3 × 41
4 c.  2 × 7 × 11


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