emma's answer to LockB's Secondary 4 A Maths Singapore question.

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emma
Emma's answer
6 answers (A Helpful Person)
Ok so u find the product of prime factors for both 8 and 20 and find the lowest common multiple of 8 and 20, which is 40. There are 8 factors of 40 so just list them out :D
LockB
LockB
3 years ago
thx :)