Question

Find the least number which is exactly divided by 18 24 and 36​

Answer 1

Answer:

72

Basically we need to find lcm

factorize

18=2×3×3

24=2×2×2×3

36=2×2×3×3

Lcm=2^maximum occurrences of 2×3^maximum occurrences of 3 in the numbers

=2^3×3^2=8×9=72

Answer 2

Answer:

Step-by-step explanation:

Factors of 18 =1,2,3,6,18

Factors of 24=1,2,3,4,6,12,18

Factors of 36 =1,2,3,4,6,8,12,18

so, the least common factor is 2

{note- We cannot take 1 as common factor as it is a factor of every no.}

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