Question

find the smallest square number that is divisible by 8 12 15 and 20

Answer 1

hey mate!! it's ans is 60
bcoz 12 = 2*2*3
15 = 3*5
20 = 2*2*5
so, lcm = 2*2*3*5 = 60
as 3 and 5 are not in pair in lcm 's factor so. we need to multiple 60 by 5 and 3 to make it a perfect square
hope it helps.

Answer 2

Answer:

it's ans is 60

because 12 = 2*2*3

15 = 3*5

20 = 2*2*5

so, lcm = 2*2*3*5 = 60

as 3 and 5 are not in pair in lcm 's factor so. we need to multiple 60 by 5 and 3 to make it a perfect square

hope it helps.

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