Question

729 - Find the square root of this number by prime factorisation method.

Answer 1

Solution :

Resolving the given number

729 into prime factors , we

get

729 = 3×3×3×3×3×3

= (3×3)×(3×3)×(3×3)

Therefore ,

Square root of 729

= √729

= √(3×3)×(3×3)×(3×3)

= 3×3×3

= 27

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