List of longest prison sentences
In 1989, the world's longest sentence for corporate fraud of 141,078 years was handed down to Chamoy Thipyaso in Thailand according to Guinness World Records 2006. She defrauded more than 16,000 Thais in a pyramid scheme worth $204 million at the time.
And closer to home:
Martin John Bryant is an Australian mass murderer who pleaded guilty to murdering 35 people and injuring 23 others in the Port Arthur massacre, a shooting spree in Port Arthur, Tasmania, Australia on 28 April 1996.
On November 21, 1996, Bryant was sentenced by Tasmanian Chief Justice William Cox to the maximum penalty of life imprisonment for each murder, and an additional 1,035 years for wounding 23 people, shooting at 14 other people with the intention to kill, four counts of theft of a motor vehicle, three counts of arson and one of kidnapping.