Question

what is the hcf and lcm of this (c) 270 and 450​

Answer 1

Answer :-

_2_|__270___

_5_|__135__

_3_|__27____

_3_|__9____

_3_|__3___

___|__1____

270 = 2 × 5 × 3 × 3 × 3

_2_|__450___

_5_|__225__

_5_|__45____

_3_|__9____

_3_|__3____

___|__1____

450 = 2 × 3 × 3 × 5 × 5

★ Finding HCF :-

270 = 2 × 5 × 3 × 3 × 3

450 = 2 × 3 × 3 × 5 × 5

H.C.F (270,450) = 2 × 3 × 5 × 3 = 60

So, We get our H.C.F = 60 .

★ Finding LCM :-

270 = 2 × 5 × 3 × 3 × 3

450 = 2 × 3 × 3 × 5 × 5

L.C.M (270,450) = 2 × 3 × 3 × 3 × 5 × 5

So , We get our L.C.M = 1350

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