The Kangaroos will face England in the final on Saturday night.
Brett Morris added his pair of tries to the total, Lockyer setting up both efforts, the first with a long pass and the second with a well-placed kick.
Gidley improved Morris’ second before Thurston added his first goal by converting Jennings’ hat-trick score.
France – 4
T: Elima (61)
Australia – 42
T: Jennings (22, 27, 56); Lewis (41); B. Morris (45, 50); J. Morris (67, 72)
G: Gidley (41, 50); Thurston (56, 67, 72)
Ref: Leon Williamson
The bonus point system, that has been in place in the Championships for the past eight seasons, is on the agenda for possible inclusion in Super League next year.
A Bullish future, Salford are Devilishly close to something significant, Luke Walsh and the curse of the Saints, and rewarding mediocrity, all in Five Things this week.
RFL chief operating officer Ralph Rimmer believes that the new structure of professional rugby league will be exciting.
Jamie Jones-Buchanan was back in action for Leeds last week as they overcame Salford 22-18 at the AJ Bell Stadium.