Question

Find the least number divisible by 6, 9, 15 and 20.

Answer 1

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

Step-by-step explanation:

Given: Numbers = 6, 9, 15 and 20. To do: To find the least square number which is exactly divisible by each of these numbers 6, 9, 15, and 20. Thus, the least square number which is exactly divisible by 6, 9, 15 and 20 is 900

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