 Complete the following phrase:  The longest lived prime minister was Morarji Desai, who lived to the age of 99 years, 41 days. Atal Bihari Vajpayee was the second longest-lived prime minister, who lived to the age of 93 years, 234 days, 5 years and 172 days short of Desai. The oldest living prime minister Manmohan Singh will tie Vajpayee if he lives to 1 June 2026, and tie Desai if he lives to 6 November 2031. The shortest lived prime minister was Rajiv Gandhi, who was 