Question

square root of 121 by prime factorisation

Answer 1

Hey,

Step 1: Prime Factorization of given number 121 and we get: 
121 = 11 x 11 

Step 2: Pair the same prime factors and we get: 
= 11 X 11 

Step 3: Collect one prime factor from each pair and we get: 
= 11 

Step 4: Resultant number is the square root of the given number and we write it as: 
√121  = 11

HOPE IT HELPS:-))

Answer 2

$\sqrt{121} = \sqrt{11 \times 11}$

=11

you answer is 11

please mark this answer as a brainliest.