Divisibility and prime factorisation
Essential Mathematics Year 8
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  Learning objectives
  Prime factorisation
  Example 1
  Index notation
  Example 2
  HCF and LCM
  Finding the HCF
  Finding the LCM
  Example 3
  Divisibility tests
  Final words

Have you ever wondered what the divisibility rules are? Want to know how to find the HCF and LCM of numbers? Do you know that HCF stands for Highest Common Factor and LCM stands for Lowest Common Multiple? Want to know how to do Prime Factorisation using Factor Trees? Then this video will answer all those questions you may - or may not! - have. Lots of worked examples are provided with downloadable notes (at www.maffsguru.com).

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