Adyin Cerit lives in the port city of Samsun in northern Turkey's Samsun Province
Adyin Cerit, 59, who lives in the port city of Samsun in northern Turkey's Samsun Province, had set a deadline of 6pm, local time, on May 19, 2017 for someone to come up with the answer, but so far it appears that no one has figured it out yet.
He said the first person to crack the equation will inherit his home, a shop and all the money in his bank account.
Unfortunately, it is too complicated for anyone but a mathematician to understand, other than it involves prime numbers.
Turkey is not producing calculators
Mr Cerit came up with the idea to publicise his work on prime numbers and his project to develop a new form of Turkish-made calculator.
He said: "Turkey is not producing calculators. As a result of my work, I have come to the conclusion that we can produce a calculator which will be more complex than the existing simple machines.
"I am expecting help from our government with this project. If we form a team, this is very possible to achieve.
Mr Cerit is developing a new form of Turkish-made calculator
"That's why I prepared this equation in order to draw attention to this project. I think that not even computers can solve this equation.
"I make a commitment that I will leave my whole wealth to the person that can solve this equation before the deadline. My wealth is a house, a shop and money in the bank enough to buy a car." Mr Certin has twice previously invited people to try to solve equations and promised to give his pension for 93 months to the first to solve them.
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Mr Cerit promises everything to the person who manages to solve this equation
However, nobody managed to solve the first equation and the person who cracked the second one declined to accept the prize.
This latest equation appears just as hard to solve and it is unclear if anyone has come forward with the answer as of yet.