Factoring Worksheet

Factor the following numbers to their prime factors.

1 a.   65

 
 
 
 
 
 
1 b.   69

 
 
 
 
 
 
2 a.   50

 
 
 
 
 
 
2 b.   55

 
 
 
 
 
 
3 a.   77

 
 
 
 
 
 
3 b.   80

 
 
 
 
 
 
4 a.   74

 
 
 
 
 
 
4 b.   70

 
 
 
 
 
 
Page 2

Answer Key

1 c.  5 × 13
1 b.  3 × 23
2 b.  2 × 52
2 b.  5 × 11
3 b.  7 × 11
3 b.  24 × 5
4 b.  2 × 37
4 b.  2 × 5 × 7


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