Question

Find the square root of the following by prime factorisation method.
(a) 21904 ​

Answer 1

Answer:

148

Step-by-step explanation:

2    21904

2     10952

2     5476

2     2738

37    1369

37        37

              1

2*2*2*2*37*37

Take pairs of 2-2 numbers as we are finding square root

∴ 2*2*37

= 148

Verification =

148*148 = 21904