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    Mathematics
    Grade-4-
    Easy

    Question

    Find one of the following numbers is a prime number.

    1. 6    
    2. 7    
    3. 8    
    4. 9    

    hintHint:

    Verifying the given numbers are prime or not.
    Prime number :  prime number  is  a number which is only divisible by 1 and itself.

    The correct answer is: 7

      Step 1:
      6 has factors 1, 2, 3, and 6. It is composite.
      8 has factors 1, 2, 4, and 8. It is composite.
      9 has factors 1, 3, and 9. It is composite.
      Step 2:
      Only 7 among the given numbers is a prime number as it is only divisible by 1 and itself.

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