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Old 2014-08-05, 15:41   #12
Retep
 
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Quote:
Originally Posted by pinhodecarlos View Post
Peter Riesen "found" a prime for this k. Let's wait for its validation.
http://primes.utm.edu/primes/page.php?id=118295
There is no need to use quotation marks, it was triple checked.
By the way.. this thread is called "51*2^3774129-1 is not prime", so unless it gets renamed it is not about other numbers.
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Old 2014-08-05, 17:09   #13
Batalov
 
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Phi(3,3^1118781+1)/3

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Persistence is the key to success. Congratulations, Peter!
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Old 2014-08-05, 17:47   #14
Retep
 
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Quote:
Originally Posted by Batalov View Post
Persistence is the key to success. Congratulations, Peter!
That's true, I was at k=51 since 2010, thank you.

By the way.. n=2.5M to 3.7M was single checked, n=3.7M up to the prime double checked.
If anyone is interested.. in the latter range there were > 35000 candidates and 17 third checks because of differing residues (hardware errors).
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