内点法的c源程序，实现惩罚因子，循环次数,Interior point method of c source code to achieve punishment factor, cycle number

提示用户输入一个整数，并判断是否是素数，如果是将输出它本身，否则输出所有的真因子-Prompts the user to enter an integer, and determine whether it is a prime number, and if the output itself, otherwise the output of all the true factor