10th Class Mathematics Solved Paper - Mathematics-2018

  • question_answer What is the HCF of smallest prime number and the smallest composite number?

    Answer:

    Smallest prime number \[=2\]
    Smallest composite number \[=4\]
    Prime factorisation of 2 is \[1\times 2\]
    Prime factorisation of 4 is \[1\times {{2}^{2}}\]
    \[\therefore \]                  HCF \[(2,4)=2\]


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