Ex 5.3, 4 (ii) - Chapter 5 Class 8 Squares and Square Roots

Last updated at August 14, 2026 by

Ex 5.3, 4 - Find the square root of 400 by Prime Factorization Method - Ex 5.3

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Ex 5.3, 4 Find the square roots of the following numbers by the Prime Factorization Method. (ii) 400 We use prime factorization to find square root. Thus, 400 = 2 × 2 × 2 × 2 × 5 × 5 Square root of 400 = 2 × 2 × 5 = 4 × 5 = 20

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