Factoring Worksheet

Factor the following numbers to their prime factors.

1 a.   61

 
 
 
 
 
 
1 b.   10

 
 
 
 
 
 
2 a.   53

 
 
 
 
 
 
2 b.   64

 
 
 
 
 
 
3 a.   83

 
 
 
 
 
 
3 b.   78

 
 
 
 
 
 
4 a.   45

 
 
 
 
 
 
4 b.   51

 
 
 
 
 
 
Page 2

Answer Key

1 c.  prime
1 c.  2 × 5
2 b.  prime
2 b.  26
3 a.  prime
3 a.  2 × 3 × 13
4 c.  32 × 5
4 b.  3 × 17


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