How Long does sperm live?

Hi, every women seems to get surprise when she realizes the fact the sperm lives for a few days. It is said that under good conditions it can survive for two days, but some sources mention to up to six days survival period. It lives that long in order to have greater chances for fertilization of egg after ovulation in a woman's reproductive days. There are special mechanisms like protection by a woman's cervical mucus and vaginal secretions to provide longer survival time for sperm in women’s reproductive organs. Sperm ejaculated elsewhere dies between a half an hour to four hours.