Question

find the LCM of 48 56 72 by prime factorization method

Answer 1

hey mate

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here is ur answer

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the LCM of 48,56,72
is 2×2×2×2×3×3×7
= 1008

48= 2×2×2×2×3

56= 2×2×2×7

72 =2×2×2×3×3


and hcf is 2×2×2=8

Answer 2

By Prime Factorization :-

48 = 2 × 2 × 2 × 2 × 3

56 = 2 × 2 × 2 × 7

72 = 2 × 2 × 2 × 3 × 3

Common prime factors are : -

HCF ( 48, 56, 72) = 2 × 2 × 2 = 8

LCM ( 48, 56, 72) = 2× 2 × 2 × 2 × 3 × 7 = 336