Question

find the smallest perfect square divisible by 4,5,6and7​

Answer 1

Answer:

900

Step-by-step explanation:

To find : The smallest perfect square divisible by 3,4,5,6 ?

Solution :

First we take LCM of 3,4,5,6,

2 | 3  4  5  6

2 | 3  2  5  3

3 | 3  1   5  3

5 | 1   1   5  1

  |  1  1   1   1

In LCM, 3 and 5 are not in pairs so we should multiple it by 3 and 5.

i.e.  

The Required perfect square is 900.