9092392
This number is a composite.
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Smallest k such that 2^k+40291 is a (probable) prime. It is the second largest known
non-Mersenne self prime, if it is indeed a prime (as of May 1, 2019). [Kontobesar]
Submitted: 2019-05-02 11:30:20; Last Modified: 2019-05-02 16:04:49.
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