Question

Find the least square number exactly divisible by 45, 75 and 100

Answer 1

Answer:

3600

Step-by-step explanation:

first we need to find the LCM of the given numbers i.e. 8, 12, 15 and 20

2*2*2*5*3=120

Then

as 2, 3, 5 are not in pairs, we need to multiply the LCM with 2*5*3=30

so,

least perfect square number which is divisible by each of numbers 8 12 15 and 20 =120*30=3600

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Answer 2

Answer:

the LCM of the given numbers is 3 x 5 x 5 x 3 x 1 x 4 = 900

here 1 and 4 arent in pair

so Least square number is

3 x 5 x 5 x 3 x 1 x 1 x 4 x 4 = 3600

= 60^2