Question

square root by prime factorisation method
144
4900
324
8100
solved please

Answer 1

Heya !!!



(1) 144


Prime factorisation of 144 = 2 × 2 × 2 × 2 × 3 × 3



=> 2 × 2 × 3


=> 12


Hence,


square root of 144 is 12.



(2) 4900



Prime factorisation of 4900 = 2 × 2 × 5 × 5 × 7 × 7



=> 2 × 5 × 7


=> 70


Hence,

Square root of 4900 is 70.


(3) 324


Prime factorisation of 324 = 2 × 2 × 9 × 9



=> 2 × 9



=> 18


Hence,


Square root of 324 is 18.


(4) 8100


Prime factorisation of 8100 = 2 × 2 × 5 × 5 × 9 × 9



=> 2 × 5 × 9


=> 90


Hence,


Square root of 8100 is 90.

★ HOPE IT WILL HELP YOU ★