Factoring Worksheet

Factor the following numbers to their prime factors.

1 a.   40

 
 
 
 
 
 
 
 
1 b.   37

 
 
 
 
 
 
 
 
1 c.   85

 
 
 
 
 
 
 
 
2 a.   7

 
 
 
 
 
 
 
 
2 b.   31

 
 
 
 
 
 
 
 
2 c.   48

 
 
 
 
 
 
 
 
3 a.   17

 
 
 
 
 
 
 
 
3 b.   91

 
 
 
 
 
 
 
 
3 c.   15

 
 
 
 
 
 
 
 
Page 2

Answer Key

1 d.  23 × 5
1 b.  prime
1 b.  5 × 17
2 b.  prime
2 b.  prime
2 b.  24 × 3
3 b.  prime
3 b.  7 × 13
3 b.  3 × 5


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