A whopping €16.5 million is up for grabs as this will be the third-largest Lotto jackpot of all time.
The current prize has been rolling since June 9 and Saturday's winner will become Ireland’s third-largest jackpot winner in the history of the game.
The title of Ireland’s biggest ever Lotto standing at €18.9 million is held by the Dan Morrissey syndicate in Co Carlow in 2008.
So far this year, there have been five Lotto jackpot wins by players in Limerick, Kilkenny, Westmeath, Cork and Galway.
A National Lottery spokesperson said: “This has been an extraordinary jackpot roll which now sees the Lotto jackpot heading for a bank-busting €16.5 million which could become the third highest prize ever to be offered in the game’s history.
"At these jackpot levels, we are already seeing a notable increase in play so we are encouraging all of our players where possible, to avoid queues by buying their tickets early.
They added: "Once the jackpot exceeds the cap, no more money will be added to the jackpot prize until it is won. The funds that would normally go to the jackpot will be distributed to the next lower prize tier at which there are winners.
"If the jackpot is won at an amount higher than €18.96 million, that amount will become the game’s new jackpot cap."
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