what is the least number by which 16800 must be divided to get a number which is a perfect square
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Answer:divide by 42
Step-by-step explanation:
as we know for being a number to square it must have pair of prime numbers in its factor. it it have pair then it is called a perfect square and if not then it is not a perfect square.
factor of 16800
16800 = 2*2*2*3*7*5*2*5*2
= (2*2)*(2*2)*2*(5*5)*3*7
here is two pair of 2 one pair of 5 . here a 2, 3, 7 are single.
so by dividing (2*3*7) =42 number is a perfect square.
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