find the square root of the smallest square that is divisible by the number 5 14 21
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Answer: If we want the smallest number divisible by 5 , 14 , 21 then we have to find out the LCM of 5 , 14 , 21 . Now we can write 5 = 1 × 5 14 = 2 × 7 21 = 3 × 7 Now LCM = 1 × 2 × 3 × 5 × 7 × 7 = 1470 Here we find the LCM using the concept that digits which is common in all.
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