Question

8. find the least square number exactly
6:9, 10,15
S
= divisible by each one of the Number
6:9, 10, 15 and on​

Answer 1

AnswerSmallest 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.

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