Factoring Worksheet

Factor the following numbers to their prime factors.

1 a.   37

 
 
 
 
 
 
1 b.   59

 
 
 
 
 
 
2 a.   70

 
 
 
 
 
 
2 b.   75

 
 
 
 
 
 
3 a.   100

 
 
 
 
 
 
3 b.   44

 
 
 
 
 
 
4 a.   20

 
 
 
 
 
 
4 b.   86

 
 
 
 
 
 
Page 2

Answer Key

1 c.  prime
1 c.  prime
2 c.  2 × 5 × 7
2 c.  3 × 52
3 b.  22 × 52
3 b.  22 × 11
4 b.  22 × 5
4 b.  2 × 43


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