IP1U1 1.4 Exercise Q8

IP1U1 1.4 Exercise Q8

Written as the product of its prime factors, \(792={{2}^{3}}\times {{3}^{2}}\times 11\).

  1. Express \(990\) as the product of its prime factors.
  2. Hence write down the
    1. LCM of \(792\) and \(990\), giving your answer as the product of its prime factors.
    2. greatest integer that will divide both \(792\) and \(990\) exactly.

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Answer:(a) \(990=2\times3^2\times5\times11\) (b)(i) \(\operatorname{LCM}=2^3\times3^2\times5\times11\) (ii) \(\operatorname{HCF}=198\)

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