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-   -   k=43112609 (https://www.mersenneforum.org/showthread.php?t=16069)

Mini-Geek 2011-09-20 22:37

[QUOTE=firejuggler;272211]and since k==2 mod 3 there won't be twin prime[/QUOTE]

There could be with -3/-1 or +3/+1, just not with -1/+1.

firejuggler 2011-09-23 01:10

n checked upto 200k, still no new prime

FFT @20k, each test take 70 second, time to sieve a bit further.


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