Prime Factorisation, LCM and HCF with 792 and 990

Prime Factorisation, LCM and HCF with 792 and 990

TGM Original

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) \(2\times3^2\times5\times11\) (b)(i) \(2^3\times3^2\times5\times11\) (b)(ii) \(198\)

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