Question

Find the least number which must be added to 306452 to make it a perfect
square​

Answer 1

《464》

306,452=4×76,613

76,613→27²=72→28²=729+56=784

72,900=270²

277²=(270+7)²=72,900+3,780+49=76,729

4×76,729=2×153,458=306,916 is the nearest perfect square >306,452

(916–452)=464 needs to be added

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You have to just square root the number 306452 is 553.5810690……. and calculate its next whole number which is 554 and square it and substrate 306452 from this

306916–306452= 464

Hope this helps you......