We still haven't proven whether there are infinitely many prime numbers of the form found in Mersenne's sequence.
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Mathematics & Logic
Mersenne primes, of the form two raised to a power minus one, are the largest primes ever discovered, but no one has proven that the list never ends. Finding new ones remains an active computational hunt.
Team Humans Club. (2026). Problem WS01234: We still haven't proven whether there are infinitely many prime numbers of the form found in Mersenne's sequence.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=1234