Question

Find the LCM of using Prime factorisation 72,90

Answer 1

Answer :

Now,

72 = 2 × 2 × 2 × 3 × 3

90 = 2 × 3 × 3 × 5

So, the required LCM (72, 90)

= 2 × 2 × 2 × 3 × 3 × 5

= 8 × 9 × 5

= 360

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Answer 2

heya,

here is ur answer

u can get ur answer from the attachment

hope this helps u :)