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Question

Find the cube root of 614125 using prime factorization:

A
65
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B
75
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C
85
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D
95
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Solution

The correct option is B 85

On prime factorising, we get,

614125=5×5×5×17×17×17

=53×173.


Then, cube root of 614125 is:

3614125=353×173=5×17=85.


Therefore, option C is correct.


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