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Secondary 1 | Maths
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Lawrie
Lawrie

Secondary 1 chevron_right Maths chevron_right Singapore

Please help

Date Posted: 3 days ago
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Woon Kiat
Woon Kiat's answer
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Hope this helps :)

Use HCF as the basic model, LCM is premium model with the best features (all factors and greatest power).

I decided to make N the greater number with additional factors to satisfy the LCM provided for M and N.

LCM is missing factors 7 and 23 so k has to be 7×23 but with powers of 2 to be a perfect square.