High Common Factor (HCF) & Lowest Common Multiple (LCM)

  • HCF is the highest common factor between the numbers.
  • LCM is the lowest common multiple between the numbers.


Solve the follow questions

  1. Find the HCF for 24 & 18.
  2. Find the LCM for 6 & 9.


  1. 6
  2. 18

About the Math Tutor - Dr Loo

I am a PhD holder with 8 years of teaching experience at secondary school and university. My expertizes are mathematics, statistics, econometrics, finance and machine learning.

Currently I do provide consultation and private tuition in Singapore. For those who are looking for math tutor in Singapore or statistics tutor in Singapore, please feel free to contact me at +65-85483705 (SMS/Whatsapp/Telegram).

Some of the math tuition in Singapore I provide includes O-level math tuition and also JC Math Tuition (H1 Math Tuition & H2 Math Tuition). On the other hand, my statistics tuition in Singapore mostly focus on pre-university level until postgraduate level. For those who prefer online tutoring service, the online O-level math tuition and online JC math tuition are also available.

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