ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VI - Factors and Multiples
Question 1
1.
    • Find the number of prime factors of
    • 58
  • 4
  • 1
  • 3
  • 0
  • 2
Question 2
2.
Find all common factors of 2 , 50 and 6
  • {1,2,5}
  • {1,2,0}
  • {1,5}
  • {1,2}
  • {1,0}
Question 3
3.
    • Find the product of LCM and HCF of
    • {4,26,22}
  • 1141
  • 1144
  • 1147
  • 1143
  • 1145
Question 4
4.
Find all common factors of 47 and 5
  • {1}
  • {1,5}
  • {47}
  • {5}
  • {1,47}
Question 5
5.
    • Find the prime factorization of
    • 75
  • 5
    		✕
    5 2
     
  • 2
    		✕
    5 2
     
  • 3 2
     
    		✕
    5 2
     
  • 1
    		✕
    5 2
     
  • 3
    		✕
    5 2
     
Question 6
6.
The factors of 53 =
  • {2,52}
  • {1,53,52}
  • {53,2}
  • {1,53,52,2}
  • {1,53}
Question 7
7.
    • Find the LCM of
    • {140,100}
  • 699
  • 702
  • 700
  • 698
  • 701
Question 8
8.
    • Find the HCF of
    • {80,540,440,880}
  • 20
  • 23
  • 17
  • 21
  • 19
Question 9
9.
    • Find the prime factorization of
    • 300
  • 2 2
     
    		✕
    3
    		✕
    8 2
     
  • 2 2
     
    		✕
    3
    		✕
    5 2
     
  • 2 2
     
    		✕
    3
    		✕
    5 3
     
  • 2
    		✕
    3
    		✕
    5 2
     
  • (-1) 2
     
    		✕
    3
    		✕
    5 2
     
Question 10
10.
Find all common factors of 39 , 44 and 27
  • {1,13}
  • {22}
  • {13}
  • {1}
  • {1,11}