Moore's century was his 16th in first-class cricket
Stephen Moore hit his first century for Lancashire to guide them to a comfortable six-wicket win against Nottinghamshire.
Having begun the day on 32-0 the visitors reached a winning total of 240-4 just before tea.
Charlie Shreck gave Notts a glimmer of hope by removing Paul Horton and Karl Brown to reduce Lancashire to 86-2.
But a 90-run stand between Moore (124no) and Mark Chilton (35) effectively decided the game.
Moore's dogged innings could have been over on 54 when he was dropped by Riki Wessels, but after that let-off he never looked back.
And after Chilton fell lbw to Andre Adams, Steven Croft offered solid support to Moore in a fourth-wicket partnership of 50, as Nottinghamshire continued to toil in the field.
It was the first time 31-year-old Moore had reached three figures since July 2009 and his side's first victory at Trent Bridge in five years.
The only black mark against Lancashire's sixth win of the season was the docking of one point for a slow over rate.
Despite that they still closed the gap on leaders Durham to seven points and have one game in hand.
For reigning champions Nottinghamshire, it was a fourth consecutive defeat in the County Championship - their worst run since 1999.
Nottinghamshire director of cricket Mick Newell told BBC Sport:
"I think it was a good advert for four-day cricket at the moment. We will have to win five or six games out of the last eight (to defend the title), which isn't particularly realistic given the way we are playing at the moment.
"We don't score enough runs in the top three at the moment and we haven't had much of a return from our overseas players so far which has been a bit of a disappointment. There are interesting times ahead.
"We don't look as threatening as I'd like with the new ball, but we had to make an economic and cricketing decision over Ryan (Sidebottom) and we can't look back on that with any regrets."
BBC Radio Lancashire's Liam Banford:
"This victory is up there with the best of the season for Lancashire, namely because this has been the best four days cricket they have played this season.
"Attritional from the outset, a spicy pitch made things difficult for the batsmen and offered the seamers something to go at. All in all a fantastic game of cricket that is the perfect advert for the four-day game.
"More to the point, it means Lancashire lie second in the table with a game in hand. With five home games and three away games left this season, Lancashire will surely have the smell of success drifting into their nostrils."
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