Factoring Worksheet

Factor the following numbers to their prime factors.

1 a.   58

 
1 b.   71

 
2 a.   61

 
2 b.   42

 
3 a.   42

 
3 b.   78

 
4 a.   39

 
4 b.   44

 
5 a.   72

 
5 b.   15

 
6 a.   32

 
6 b.   83

 
7 a.   97

 
7 b.   75

 
8 a.   61

 
8 b.   84

 
Page 2

Answer Key

1 c.  2 × 29
1 b.  prime
2 b.  prime
2 b.  2 × 3 × 7
3 c.  2 × 3 × 7
3 c.  2 × 3 × 13
4 c.  3 × 13
4 b.  22 × 11
5 b.  23 × 32
5 b.  3 × 5
6 b.  25
6 a.  prime
7 a.  prime
7 a.  3 × 52
8 b.  prime
8 b.  22 × 3 × 7


Copying permission: You are free to copy this worksheet to any number of students for their mathematics work. Do not distribute on websites, books, or any such material without permission. Copyright www.HomeschoolMath.net