find the cube root of 91125 by prime factorisation method?

5 91125

5 18225

5 3645

3 729

3 243

3 81

3 27

3 9

3 3

3 1

making triples 5*5*5*3*3*3*3*3*3

5*3*3=45

so cube root of 91125 is 45

  • 4

9112 cube root of the by prime factarisation

  • -1
175616
  • 2
3*3*3*3*3*3*5*5*5
= 3*3*5
=45...







 
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