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Old 2019-07-27, 00:14   #4
Batalov's Avatar
Mar 2008

9,689 Posts

Originally Posted by GP2 View Post
Nonetheless my hunch at this point is that there are no new Wagstaff primes below 14 million.
I would not bet on it.

Sometimes there are gaps and holes in large-size computations, and when someone gets around to fill up the gaps - a new prime is found. This happened in one of the PrimeGrid projects before, iirc. This also happened in Gaussian-Mersenne search while closing a gap that was left undone.
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