%0 Journal Article %T The greatest prime function of real variable %A Maher Qarawani %J - %D 2015 %R 10.14419/gjma.v3i2.4655 %X In this paper, we introduce a new function which we call the greatest prime function. In addition, we give an extension of the function to , and then use this definition to prove some inequalities and properties of this function. Some illustrative examples are given. %U https://www.sciencepubco.com/index.php/GJMA/article/view/4655