Question

(1)

Find the smallest perfect square that is exactly divisible by each of the following numbers:
6,9,15,20​

Answer 1

Answer:

900

Step-by-step explanation:

Smallest least number divisible by 6,9,15 and 20 is its L.C.M. Its LCM is 180. Therefore there is no factor to form pair of 5, so to make it a perfect square we multiply 180 with 5 to get 900. Hence least square number divisible by6,9,15 and 20 is 900.

Answer 2

Answer:

900

Least square number which is exactly divisible by 6, 9, 15 and 20 is 900.