Question

Find each of the following by using
prime factorisation.
(a) 1764
(b) 576
(c) 33375
(d) 3/1728​

Answer 1

Step-by-step explanation:

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8th

Maths

Squares and Square Roots

Square Roots

Find the square root of the...

MATHS

Find the square root of the following number by prime factorisation method

(i) 729

(ii) 400

(iii) 1764

(iv) 4096

(v) 7744

(vi) 9604

(vii) 5929

(viii) 9216

(ix) 529

(x) 8100

MEDIUM

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VIDEO EXPLANATION

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

(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.