判断是否素数 ............\1.cpp ............\Debug ............\work.dsp ............\work.dsw ............\work.ncb ............\work.opt ............\work.plg 数的素数分解 ............\1.cpp ............\Debug ............\work.dsp ............\work.dsw ............\work.ncb ............\work.opt ............\work.plg