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Factors

  • Game Code: 585936
  •  English    20     Public
    Factors, HCF, prime and composite numbers, divisibility tests
  •   Study   Slideshow
  • What are the factors of 18?
    1, 2, 3, 6, 9, 18
  •  5
  • Find the HCF of 6 and 9.
    HCF is 3
  •  5
  • What are the factors of 12?
    1, 2, 3, 3, 6, 12
  •  5
  • Find the HCF of 12 and 18.
    HCF is 6
  •  5
  • Find the HCF of 64 and 96.
    HCF is 32
  •  15
  • Identify all Prime numbers: 1, 5, 3, 8, 9, 10, 7, 4, 6, 12, 15, 11, 2
    Prime numbers are 2, 3, 5, 7, 11
  •  10
  • The numbers that are NOT Prime numbers are called as?
    Composite numbers
  •  15
  • The number with unit digit ending with 0 is divisible by: 2, 5, 10 or 6
    10
  •  5
  • The number with unit digit ending with 0, 2, 4, 6, 8 is divisible by: 2, 3, 5, 10 or 9
    2
  •  5
  • The number with unit digit ending with 0 and 5 is divisible by: 2, 10 or 5
    5
  •  10
  • A prime number is ONLY divisible by 1 and itself. True or False?
    True
  •  10
  • A composite number is ONLY divisible by 1 and itself. True or False?
    False
  •  15
  • Is 375 divisible by 3? Give reason.
    Sum of all numbers is 15. And 15 is divided by 3. So answer is YES.
  •  10
  • Is 38587902 divisible by 5? Give reason.
    No. As it ends with 2. A number is only divisible by 5 when a number ends with 0 and 5.
  •  10
  • Is 3858 divisible by 2? Give reason.
    Yes. As it ends with 8.
  •  5
  • Which numbers out of 40, 9021, 27, 88 divisible by 2?
    40 and 88
  •  10
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