Factoring Worksheet

Factor the following numbers to their prime factors.

1 a.   84

 
 
 
 
 
 
1 b.   53

 
 
 
 
 
 
2 a.   100

 
 
 
 
 
 
2 b.   65

 
 
 
 
 
 
3 a.   5

 
 
 
 
 
 
3 b.   70

 
 
 
 
 
 
4 a.   23

 
 
 
 
 
 
4 b.   24

 
 
 
 
 
 
Page 2

Answer Key

1 c.  22 × 3 × 7
1 c.  prime
2 c.  22 × 52
2 b.  5 × 13
3 b.  prime
3 b.  2 × 5 × 7
4 c.  prime
4 c.  23 × 3


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