Factoring Worksheet

Factor the following numbers to their prime factors.

1 a.   35

 
 
 
 
 
 
1 b.   53

 
 
 
 
 
 
2 a.   87

 
 
 
 
 
 
2 b.   9

 
 
 
 
 
 
3 a.   9

 
 
 
 
 
 
3 b.   23

 
 
 
 
 
 
4 a.   13

 
 
 
 
 
 
4 b.   72

 
 
 
 
 
 
Page 2

Answer Key

1 c.  5 × 7
1 b.  prime
2 b.  3 × 29
2 b.  32
3 a.  32
3 a.  prime
4 a.  prime
4 a.  23 × 32


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