Find the least number which is exatly divisible by 8,12,15,20
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the least number which is exactly divisible by 8,12,15,20,is their LCM, so their LCM is = 2*2*2*3*5 which is 120 is not a perfect square and it should be multipliedby 30 to get a perfect square so 120* 30= 3600 and 3600 is a perfect square of 60 and 3600 is exactly divisible by 8,12,15,20
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find the LCM of 8,12,15,20
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