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
Leeds legend Kevin Sinfield has revealed that 2015 will be his last season at the Rhinos, and that he will be playing rugby union for Leeds Carnegie in 2016.
With four matches under the Friday night lights, Round 7's tip is a 9/2 treble.
Forty-20 editor-at-large Tony Hannan dons his flowery Top Gear shirt for a couple of laps around the rugby league circuit.
The first Championship game of the Easter week is a tasty looking South Yorkshire derby at Doncaster's Keepmoat Stadium.