Question

FIND THE CUBE ROOT OF THE FOLLOWING NO. BY PRIME FACTORIZATION METHOD @91125​

Answer 1

Answer:

Answer: 45

Here, 91125 can be grouped into triplets of equal factors. Hence, 45 is the cube root of 91125.

Answer 2

Answer:

On prime factorising, we get,

91125=(5×5×5)×(3×3×3)×(3×3×3)

=5

3

×3

3

×3

3

.

Then, cube root of 91125 is:

3

91125

=

3

5

3

×3

3

×3

3

=5×3×3=45.

Therefore, option A is correct.