Name: 
 

5-factors and prime factorization-9



True/False
Indicate whether the sentence or statement is true or false.
 

 1. 

a.9
181 is a composite number
 

 2. 

a.9
31 is a prime number
 

 3. 

a.9  The prime factorization of 80 is 2 5-factors_and_prime_files/i0040000.jpg 2 5-factors_and_prime_files/i0040001.jpg 2 5-factors_and_prime_files/i0040002.jpg 2 5-factors_and_prime_files/i0040003.jpg 5
 

 4. 

a.9
175 is a composite number
 

 5. 

a.9
93 is a prime number
 

 6. 

a.9  The prime factorization of 30 is 2 5-factors_and_prime_files/i0070000.jpg 2 5-factors_and_prime_files/i0070001.jpg 67
 

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 7. 

a.9  Tell which number is prime
186,   130,  16
a.
186
c.
16
b.
130
d.
None of the above
 

 8. 

a.9  Tell which number is composite
23,   103,   65
a.
23
c.
65
b.
103
d.
None of the above
 

 9. 

a.9  Tell which number is composite
19,   61,   39
a.
19
c.
39
b.
61
d.
None of the above
 

 10. 

a.9  Tell which number is prime
112,   95,   97
a.
97
c.
95
b.
112
d.
None of the above
 



 
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