Factoring Worksheet

Factor the following numbers to their prime factors.

1 a.   54

 
1 b.   98

 
2 a.   44

 
2 b.   83

 
3 a.   15

 
3 b.   30

 
4 a.   84

 
4 b.   84

 
5 a.   41

 
5 b.   10

 
6 a.   68

 
6 b.   59

 
7 a.   39

 
7 b.   28

 
8 a.   57

 
8 b.   47

 
Page 2

Answer Key

1 c.  2 × 33
1 b.  2 × 72
2 b.  22 × 11
2 b.  prime
3 b.  3 × 5
3 b.  2 × 3 × 5
4 c.  22 × 3 × 7
4 c.  22 × 3 × 7
5 c.  prime
5 c.  2 × 5
6 b.  22 × 17
6 b.  prime
7 b.  3 × 13
7 b.  22 × 7
8 b.  3 × 19
8 b.  prime


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