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The Goldbach-Euler binary problem is formulated as follows: Any even number, starting from 4, can be
represented as the sum of two primes. The ternary Goldbach problem is formulated as follows: Every odd
number greater than 7 can be represented as the sum of three odd primes, which was finally solved in
2013. -. In 1995, Olivier Ramare proved that any even number is the sum of no more than 6
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