Factoring Worksheet

Factor the following numbers to their prime factors.

1 a.   76

 
 
 
 
 
 
1 b.   31

 
 
 
 
 
 
2 a.   44

 
 
 
 
 
 
2 b.   53

 
 
 
 
 
 
3 a.   79

 
 
 
 
 
 
3 b.   21

 
 
 
 
 
 
4 a.   12

 
 
 
 
 
 
4 b.   28

 
 
 
 
 
 
Page 2

Answer Key

1 c.  22 × 19
1 b.  prime
2 b.  22 × 11
2 b.  prime
3 b.  prime
3 b.  3 × 7
4 b.  22 × 3
4 b.  22 × 7


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