Question

Find the square root by prime factorisation method.
(i) 144 (ii) 256 (iii) 784 (iv) 1156 (v) 4761​

Answer 1

Answer:

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Step-by-step explanation:

2 x 2 x 2 x 2 x 3 x 3 =144.

2 x 2 x 2 x 2 x 2 x 2 x 2 x 2=256.

2 x 2 x 2 x 2=784.

2 x 2 x 17 x 17=1156

Answer 2

Answer:

(I) 2*2*2*2*3*3=144

(ii)2*2*2*2*2*2*2*2=256

(iii)2*2*2*2*7*7=784

(iv)2*2*17*17=1156

(v)3*3*23*23