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Search: Posts Made By: paulunderwood
Forum: Riesel Prime Search 2017-01-27, 04:09
Replies: 657
Views: 56,346
Posted By paulunderwood
? (3200000/34000)^4*1.25 ...

? (3200000/34000)^4*1.25
98083116.820919289759461692269010189054


About 100 million years on my 48 core box for ECPP -- with a 96 core Xeon you could halve that. In fact, with an increase in...
Forum: Riesel Prime Search 2017-01-26, 20:26
Replies: 657
Views: 56,346
Posted By paulunderwood
There is ECPP that would prove it -- umpteen...

There is ECPP that would prove it -- umpteen centuries of calculation.

Chris tells me that he is going to let it run its course. His server is not doing much, he wrote.

The chance it is a PRP...
Forum: Riesel Prime Search 2017-01-26, 12:17
Replies: 657
Views: 56,346
Posted By paulunderwood
I have just emailed Chris Caldwell about this...

I have just emailed Chris Caldwell about this hopeless case -- not PRP, not provable -- so his server stops wasting its time on it. :glare:
Forum: Riesel Prime Search 2017-01-13, 16:58
Replies: 657
Views: 56,346
Posted By paulunderwood
Congrats to Dmitry Domanov for the 1,634,442...

Congrats to Dmitry Domanov for the 1,634,442 digit prime 5 * 2^5429494 - 1 (http://primes.utm.edu/primes/page.php?id=122731) :banana:
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