Question

what is the square root of 7396 by using prime factorisation method​

Answer 1

(i) 729=3×3×3×3×3×3= 3

2

×3

2

×3

2

729

=27

(ii) 400= 2

2

×2

2

×5

2

400

=20

(iii) 1764= 2

2

×2

2

×7

2

1764

=42

(iv) 4096= 2

2

×2

2

×2

2

×2

2

×2

2

×2

2

4096

=64

(v) 7744= 2

2

×2

2

×2

2

×11

2

7744

=88

(vi) 9604= 2

2

×7

2

×7

2

9604

=98

(vii) 5929= 11

2

×7

2

5929

=77

(viii) 9216= 96

2

9216

=96

(ix) 529=23×23

529

=23

(x) 8100=90

2

8100

=90.