Find the least square number which is exactly divisible by each of the numbers 6 ,9, 15 and 20
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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.
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Answer:
Step-by-step explanation:
LCM of 6,9,15,20 = 2*2*3*3*5=180
but 5 is not in pair so, it has to be multiplied to get a perfect square
180*5
900 answer
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