  MathScore EduFighter is one of the best math games on the Internet today. You can start playing for free!

## Prime Factoring - Sample Math Practice Problems

The math problems below can be generated by MathScore.com, a math practice program for schools and individual families. References to complexity and mode refer to the overall difficulty of the problems as they appear in the main program. In the main program, all problems are automatically graded and the difficulty adapts dynamically based on performance. Answers to these sample questions appear at the bottom of the page. This page does not grade your responses.

See some of our other supported math practice problems.

### Complexity=8

Find the prime factorization in increasing order. Example: The prime factorization of 12 is 2 × 2 × 3.
Type 2*2*3 for the multiplication signs. Do not type spaces.

 1.   4 2.   8

### Complexity=12

Find the prime factorization in increasing order. Example: The prime factorization of 12 is 2 × 2 × 3.
Type 2*2*3 for the multiplication signs. Do not type spaces.

 1.   11 2.   12

### Complexity=20

Find the prime factorization in increasing order. Example: The prime factorization of 12 is 2 × 2 × 3.
Type 2*2*3 for the multiplication signs. Do not type spaces.

 1.   6 2.   20

### Complexity=30

Find the prime factorization in increasing order. Example: The prime factorization of 12 is 2 × 2 × 3.
Type 2*2*3 for the multiplication signs. Do not type spaces.

 1.   27 2.   18

### Complexity=40

Find the prime factorization in increasing order. Example: The prime factorization of 12 is 2 × 2 × 3.
Type 2*2*3 for the multiplication signs. Do not type spaces.

 1.   32 2.   27

### Complexity=50

Find the prime factorization in increasing order. Example: The prime factorization of 12 is 2 × 2 × 3.
Type 2*2*3 for the multiplication signs. Do not type spaces.

 1.   35 2.   28

### Complexity=80

Find the prime factorization in increasing order. Example: The prime factorization of 12 is 2 × 2 × 3.
Type 2*2*3 for the multiplication signs. Do not type spaces.

 1.   77 2.   75

### Complexity=150

Find the prime factorization in increasing order. Example: The prime factorization of 12 is 2 × 2 × 3.
Type 2*2*3 for the multiplication signs. Do not type spaces.

 1.   102 2.   127

### Complexity=8

Find the prime factorization in increasing order. Example: The prime factorization of 12 is 2 × 2 × 3.
Type 2*2*3 for the multiplication signs. Do not type spaces.

14
28

### Complexity=12

Find the prime factorization in increasing order. Example: The prime factorization of 12 is 2 × 2 × 3.
Type 2*2*3 for the multiplication signs. Do not type spaces.

111
212

### Complexity=20

Find the prime factorization in increasing order. Example: The prime factorization of 12 is 2 × 2 × 3.
Type 2*2*3 for the multiplication signs. Do not type spaces.

16
220

### Complexity=30

Find the prime factorization in increasing order. Example: The prime factorization of 12 is 2 × 2 × 3.
Type 2*2*3 for the multiplication signs. Do not type spaces.

127
218

### Complexity=40

Find the prime factorization in increasing order. Example: The prime factorization of 12 is 2 × 2 × 3.
Type 2*2*3 for the multiplication signs. Do not type spaces.

132
227

### Complexity=50

Find the prime factorization in increasing order. Example: The prime factorization of 12 is 2 × 2 × 3.
Type 2*2*3 for the multiplication signs. Do not type spaces.

135
228

### Complexity=80

Find the prime factorization in increasing order. Example: The prime factorization of 12 is 2 × 2 × 3.
Type 2*2*3 for the multiplication signs. Do not type spaces.

177
275

### Complexity=150

Find the prime factorization in increasing order. Example: The prime factorization of 12 is 2 × 2 × 3.
Type 2*2*3 for the multiplication signs. Do not type spaces.   