Factoring Worksheet

Factor the following numbers to their prime factors.

1 a.   50

 
 
 
 
 
 
 
 
1 b.   51

 
 
 
 
 
 
 
 
1 c.   70

 
 
 
 
 
 
 
 
2 a.   28

 
 
 
 
 
 
 
 
2 b.   90

 
 
 
 
 
 
 
 
2 c.   9

 
 
 
 
 
 
 
 
3 a.   64

 
 
 
 
 
 
 
 
3 b.   72

 
 
 
 
 
 
 
 
3 c.   29

 
 
 
 
 
 
 
 
Page 2

Answer Key

1 d.  2 × 52
1 b.  3 × 17
1 b.  2 × 5 × 7
2 c.  22 × 7
2 b.  2 × 32 × 5
2 c.  32
3 a.  26
3 a.  23 × 32
3 b.  prime


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