Factoring Worksheet

List all the factors of the given numbers.

1 a.   19

 
 
 
 
 
 
1 b.   23

 
 
 
 
 
 
2 a.   38

 
 
 
 
 
 
2 b.   84

 
 
 
 
 
 
3 a.   14

 
 
 
 
 
 
3 b.   80

 
 
 
 
 
 
4 a.   20

 
 
 
 
 
 
4 b.   71

 
 
 
 
 
 
Page 2

Answer Key

1 c.  1, 19
1 a.  1, 23
2 a.  1, 2, 19, 38
2 a.  1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
3 a.  1, 2, 7, 14
3 a.  1, 2, 4, 5, 8, 10, 16, 20, 40, 80
4 a.  1, 2, 4, 5, 10, 20
4 a.  1, 71


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