The lucky Lotto player bought the winning ticket in Athlone last month.
The midlands' latest Lotto millionaire has yet to come forward.
A ticket worth 6.4 million euro was sold in the Applegreen service station in Arcadia Retail Park, Athlone last month.
And the lucky Quick Pick ticket scooped the multi-million euro jackpot on Saturday 22nd May.
But the National Lottery is still appealing for players to check their tickets - with the lucky customer yet to make contact.
The winning ticket holders are advised to sign the back of their tickets and keep them in safe places.
The winners should contact the prize claims team on 1800 666 222 or claims@lottery.ie and arrangements will be made for them to claim their prizes.
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