Math, asked by mayurkhushaldap9lgvs, 1 year ago

find lcm and hcf of 18, 24 and 54 by prime factorisation method

Answers

Answered by BrainlyPrincess

65

Hope this helps you.

Attachments:

BrainlyPrincess: i was singing it so it took time

mayurkhushaldap9lgvs: Btw 3 is also a common factor

BrainlyPrincess: oh yes

BrainlyPrincess: wait wait

BrainlyPrincess: u must make some corrections

BrainlyPrincess: in place of 3 i have written 2

BrainlyPrincess: so accordingly change it OK?

BrainlyPrincess: thanks brother

mayurkhushaldap9lgvs: I changed it thanks

Answered by Prashant24IITBHU

40

in prime factorisation form

18=2x3x3
24=2x2x2x3
54=2x3x3x3

So, the Lcm is
=2x2x2x3x3x3
=8x27
=216

And the HCF is
=2x3
=6

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