Question

Find the least square number which is divisible by 8,12,15

Answer 1

Easy :)

Step-by-step explanation:

First we write the prime factorization of all the nums

8 = 2*2*2

12 = 2*2*3

15 = 3*5

So if a number is to be divisible by these, it should atleast have 3 twos , 1 three and 1 five in its prime factorization. To be a square , it should have these number in even quantity

It should have 4 twos, 2 threes and 2 fives in its prime factorization.

There fore the num is = 2*2*2*2 *3*3*5*5=3600

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Answer 2

There no number can you check the question plzz

I think 20 must include in it if it is involved then the answer is 3600