Factoring Worksheet

Factor the following numbers to their prime factors.

1 a.   47

 
 
 
 
 
 
 
 
1 b.   89

 
 
 
 
 
 
 
 
1 c.   45

 
 
 
 
 
 
 
 
2 a.   35

 
 
 
 
 
 
 
 
2 b.   91

 
 
 
 
 
 
 
 
2 c.   53

 
 
 
 
 
 
 
 
3 a.   5

 
 
 
 
 
 
 
 
3 b.   99

 
 
 
 
 
 
 
 
3 c.   65

 
 
 
 
 
 
 
 
Page 2

Answer Key

1 d.  prime
1 d.  prime
1 d.  32 × 5
2 b.  5 × 7
2 b.  7 × 13
2 b.  prime
3 b.  prime
3 b.  32 × 11
3 b.  5 × 13


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