
Question 1 
Which is the only natural number that has has exactly one factor? 
A.  2  B.  0 
C.  1  D.  3 
 
  

Question 2 
Every number is a multiple of ________. 
A.  Only 1  B.  Itself 
C.  2  D.  1 and itself 
 
  

Question 3 
What are all the multiples of 2 called? 
A.  Odd numbers  B.  Even numbers 
C.  Both odd and even numbers  D.  neither odd nor even numbers 
 
  

Question 4 
A multiple of a natural number is always ________. 
A.  Greater than or equal to the number itself.  B.  Greater than the number. 
C.  Smaller than the number.  D.  Equal to the number. 
 
  

Question 5 
Two numbers 'a' and 'b' are factors of each other. What is true about 'a' and 'b'? 
A.  a > b  B.  a = b 
C.  b > a  D.  a ≠ b 
 
  


Question 6 
Which of the following numbers is a multiple of all the numbers from 1 to 10? 
A.  1,320  B.  2,520 
C.  1,520  D.  2,430 
 
  

Question 7 
Which option shows a CORRECT factorization? 
A.  36 = 2×3×3×3  B.  40 = 2×2×2×7 
C.  24 = 3×3×7  D.  42 = 2×3×7 
 
  

Question 8 
Find the prime factorization of 124? 
A.  2^{3} × 31  B.  2 × 3 × 31 
C.  3^{2} × 31  D.  2^{2} × 31 
 
  

Question 9 
Find the least 3digit number that has 3,5 and 7 as factors? 
A.  110  B.  100 
C.  102  D.  105 
 
  

Question 10 
Prime factors of 132 are? 
A.  2 × 3 × 3 × 11  B.  2 × 2 × 5 × 11 
C.  2 × 2 × 3 × 11  D.  2 × 2 × 3 × 10 
 
  
