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### Question Asked by a Student from EXXAMM.com Team

** Q 1649701613. ** If `n` is a natural number and `n= p_1^(x_1) p_2^(x_2)p_3^(x_3)` , where

`p_1, p_2 , p_3` are distinct prime factors, then the

number of prime factors for `n` is

**CDS 2015 Paper-1**