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By Splitting into Prime Factors, Find the Square Root of 396900 - Mathematics

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Sum

By splitting into prime factors, find the square root of 396900.

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Solution

`sqrt(396900)`
= `sqrt(bar(2 xx 2) xx bar(3 xx 3) xx bar(3 xx 3) xx bar(5 xx 5) xx bar(7 xx 7)`

= 2 x 3 x 3 x 5 x 7 = 630

2 396900
2 198450
3 99225
3 33075
3 11025
3 3675
5 1225
5 245
7 49
  7
Concept: Finding Square Root Through Prime Factorisation
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 3 Squares and Square Root
Exercise 3 (A) | Q 2.2 | Page 38
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