Question

what least number must 18050 be divided to make it perfect square

Answer 1

$\sqrt{18050} = \sqrt{2 \times 5 \times 5 \times 19 \times 19} \\ = 95 \sqrt{2} \\ hence \: 18050 \: must \: be \: divided \: by \: 2 \: to \: make \: it \: perfect \: square.$