Question

Find the square root by prime factorisation

i) 64 ii)289 iii)36 iv)1764​

Answer 1

Answer:

8,17,6,42

Step-by-step explanation:

Answer 2

Answer:

(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