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Old 2019-06-26, 08:38   #10
R. Gerbicz
 
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"Robert Gerbicz"
Oct 2005
Hungary

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Quote:
Originally Posted by GP2 View Post
Here's what we have so far:

Code:
11 683                       1676083,26955961001
In this line the cofactor is prime: p189=(2^683+1)/3/1676083/26955961001 .
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