One ticket holder could become the winner of a record-breaking amount of money on Tuesday.
The next EuroMillions jackpot could rise to £210million, which would become the highest prize ever won in the UK.
If there are no winners on Tuesday, it will now stay at €250million for a further four draws until it must be won in the fifth draw.
In the 'Must Be Won' draw, if no ticket matches all five main numbers and two Lucky Stars, the jackpot prize will roll down into the prize tier where there is at least one winner - likely to be five main numbers and one Lucky Star.
They would knock into second place the anonymous winner of a £195million prize in 2022.
It would also make the winner twice as rich as Sir Andy Murray on £100million, leave £75million England captain Harry Kane in the dust and just head off Anthony Joshua with his £195million fortune.
The EuroMillions jackpot on Tuesday could be the biggest prize ever won in the UK
It would also make the winner twice as rich as Sir Andy Murray on £100m, leave £75m England captain Harry Kane in the dust and just head of Anthony Joshua (pictured) on £195m
If won by a single-ticket holder, the jackpot prize will see the winner pocket enough to to put them ahead of well ahead of music superstar Adele thought to be worth £175
The 'world's most expensive penthouse', owned by property tycoon Nick Candy at One Hyde Park in central London, made available on the market for £175million.
The costliest ever Rolls-Royce, the £20million Rolls-Royce Arcadia Droptail - that is, ten of them.
Covering the estimated £208million cost of the ongoing Covid inquiry.
Spain and Barcelona's Lamine Yamal, 17, judged by analysts to be the world's most valuable footballer at £200million - ahead of England and Real Madrid's £175million-priced Jude Bellingham.
Enough £52 75cl bottles of Moët & Chandon Champagne to fill an Olympic-sized swimming pool and about half of another one.
218,947,368 Mars Bars, at 95p apiece in UK supermarkets.
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The jackpot had reached the maximum amount on June 6 after rolling over several times.
The winning ticket was sold in a retailer in Munster, County Cork, the Irish National Lottery said.
The winning numbers from the draw were 13, 22, 23, 44, 49 and Lucky Stars 3 and 5.
Under Irish National Lottery rules, jackpot winners can choose to remain anonymous.
'We are absolutely thrilled to have heard from our EuroMillions winner,' Irish National Lottery spokesperson Emma Monaghan said.
'At this point, our priority is to give them the necessary time and space to make arrangements and let this life-changing news sink in.'
Andy Carter, senior winners' advisor at Allwyn, said: 'Tuesday's jackpot has the ability to transform not just the winner's life, but the life of the friends and family around them.
'So, make sure you get a ticket to be in with a chance of banking Britain's biggest ever win.'
Players should get their EuroMillions tickets - either in store or online - before 7.30pm on Tuesday.
BRITAIN'S BIGGEST LOTTERY WINNERS
An unknown UK ticket-holder was handed the country's record for a EuroMillions jackpot of £195million on July 19 2022.
That was even more than the prize landed by Joe and Jess Thwaite, from Gloucester, when they scooped a then-peak £184,262,899 with a Lucky Dip ticket for the National Lottery draw on May 10 that same year.
And last December it was revealed a British participant had become the country's third biggest National Lottery winner of all time after hitting a jackpot worth £177million.
The single ticket-holder, who chose to stay anonymous, came forward to claim the EuroMillions jackpot after the draw on Tuesday November 26.
Among the big winners who did agree to go public with their good fortune were Colin and Chris Weir, from Ayrshire, who were handed £161million in 2011.
Colin died aged 71 eight years later after getting through just half of his jackpot, with most of it having been shared between family, friends, and charities.
The EuroMillions draw is a biweekly lottery in which members of the public in the UK and eight other European countries participate - with draws held on Tuesday and Friday evenings.
The UK's main National Lottery draws, first held in 1994, take place on Wednesday and Saturdays each week.
