JEE Main 202427 Jan, Morning shiftMathematicsEasySets, Relations and Functions168× since 2002The function f:N−{1}→Nf: \mathbf{N}-\{1\} \rightarrow \mathbf{N}f:N−{1}→N; defined by f(n)=f(\mathrm{n})=f(n)= the highest prime factor of n\mathrm{n}n, is :AOption A. one-one onlyBOption B. neither one-one nor ontoCOption C. onto onlyDOption D. both one-one and ontoCheckSkip · show solution