Factoring Worksheet

Factor the following numbers to their prime factors.

1 a.   103

 
 
 
 
 
 
1 b.   59

 
 
 
 
 
 
2 a.   219

 
 
 
 
 
 
2 b.   126

 
 
 
 
 
 
3 a.   131

 
 
 
 
 
 
3 b.   137

 
 
 
 
 
 
4 a.   40

 
 
 
 
 
 
4 b.   500

 
 
 
 
 
 
Page 2

Answer Key

1 c.  prime
1 c.  prime
2 c.  3 × 73
2 b.  2 × 32 × 7
3 c.  prime
3 c.  prime
4 c.  23 × 5
4 b.  22 × 53


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