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Forum: Probability & Probabilistic Number Theory 2017-11-28, 02:43
Replies: 32
Views: 13,771
Posted By GP2
There are many systems where you can't log in as...

There are many systems where you can't log in as root, but you can prefix commands with "sudo" to run that command as root.


Try the following:

If the filename is called "foo", you can make...
Forum: Probability & Probabilistic Number Theory 2017-11-26, 23:33
Replies: 32
Views: 13,771
Posted By GP2
Or just set WorkPreference=154 in prime.txt, and...

Or just set WorkPreference=154 in prime.txt, and then mprime/Prime95 will automatically assign you 100-million digit PRP tests.

If you're feeling less ambitious, then use 150 for first-time PRP...
Forum: Probability & Probabilistic Number Theory 2017-11-25, 17:13
Replies: 32
Views: 13,771
Posted By GP2
I vaguely recall reading that LL tests are O(p2...

I vaguely recall reading that LL tests are O(p2 log p), but PRP tests on Mersenne exponents are O(p3 log p).

I might have remembered the details wrong, but I do believe that PRP is slower. Once...
Forum: Probability & Probabilistic Number Theory 2017-11-25, 17:09
Replies: 32
Views: 13,771
Posted By GP2
The primes.utm.edu site only deals with proven...

The primes.utm.edu site only deals with proven primes, not probable primes.

For instance, their top twenty prime Mersenne cofactors (http://primes.utm.edu/top20/page.php?id=49) stop at M63703,...
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