Daily Archives: January 5, 2011

Can You Do This Math Exercise – Prime Factorization?



1. What is the prime factorization of 34 ?

A. 2 × 2 × 2 × 7

B. 2 × 17

C. 2 × 2 × 3 × 7 × 11

D. 2

E. 2 × 2 × 3 × 3

 

2. What is the prime factorization of 75 ?

A. 3 × 5 × 5

B. 2 × 2 × 3 × 7

C. 2 × 2 × 2 × 3 × 3

D. 2 × 2

E. 2 × 2 × 3

 

3. What is the prime factorization of 87 ?

A. 2 × 2 × 7

B. 2 × 2 × 2 × 3

C. 3 × 29

D. 2 × 5 × 11

E. 2 × 2

 

4. What is the prime factorization of 42 ?

A. 2 × 2 × 3

B. 2 × 3 × 7

C. 2 × 21

D. 2 × 2 × 2 × 3 × 3

E. 2 × 3

 

5. What is the prime factorization of 17 ?

A. 2 × 3 × 3

B. 2 × 2

C. 17

D. 2 × 2 × 2

E. 2 × 2 × 5 × 11

 

6. What is the prime factorization of 72 ?

A. 2 × 2 × 2

B. 2 × 2 × 3

C. 2 × 2 × 2 × 3 × 3

D. 2 × 2 × 18

E. 2

 

7. What is the prime factorization of 35 ?

A. 2 × 3 × 3

B. 2 × 2 × 2

C. 5 × 11

D. 5 × 7

E. 2 × 3 × 7

 

8. What is the prime factorization of 66 ?

A. 2 × 3 × 7

B. 2 × 2 × 2

C. 2 × 33

D. 2 × 3 × 11

E. 2 × 2

 

9. What is the prime factorization of 18 ?

A. 2 × 2 × 5 × 11 × 13

B. 2 × 2 × 3 × 3

C. 5 × 7

D. 2 × 2 × 2 × 3

E. 2 × 3 × 3

 

10. What is the prime factorization of 92 ?

A. 5 × 7

B. 2 × 46

C. 2 × 2 × 23

D. 2 × 2 × 2 × 5 × 11

E. 2

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