1 votes 1 votes $x$ is a whole number. If the only common factors of $x$ and $x2$ are $1$ and $x,$ then $x$ is ________. $1$ a perfect square an odd number a prime number Quantitative Aptitude nielit2017oct-assistanta quantitative-aptitude number-systems + – Lakshman Bhaiya asked Apr 1, 2020 • edited Aug 28, 2020 by soujanyareddy13 Lakshman Bhaiya 13.8k points 1.5k views answer comment Share See all 0 reply Please log in or register to add a comment.
0 votes 0 votes Option D. a prime number Madhav answered Sep 22, 2020 Madhav 3.6k points comment Share See all 0 reply Please log in or register to add a comment.