Find the least square number exactly divisible by each one of thefollo

1.	Find the least square number exactly divisible by each one of thefollowing numbers.(a) 8, 9, 10b) 4, 6, 10, 18
Answer» a)L.C.M. of 8,9,10 is 222335=360Since 2 and 5 are not in pairs multiply by 2 and 5 to make it a perfect square.The required number=3602*5=3600The smallest square number divisible by 8,9,10=3600. similarly, do the other option.

Find the least square number exactly divisible by each one of thefollowing numbers.(a) 8, 9, 10b) 4, 6, 10, 18

Answer»

a)L.C.M. of 8,9,10 is 2*2*2*3*3*5=360Since 2 and 5 are not in pairs multiply by 2 and 5 to make it a perfect square.The required number=360*2*5=3600The smallest square number divisible by 8,9,10=3600.

similarly, do the other option.

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Find the least square number exactly divisible by each one of thefollowing numbers.(a) 8, 9, 10b) 4, 6, 10, 18

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