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Old 2017-01-03, 14:21   #628
pinhodecarlos
 
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"Carlos Pinho"
Oct 2011
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Just to share that since last week I've turned on my laptop to k=5 crunching but it will go slowly since it is on only two cores avx.
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Old 2017-01-13, 16:58   #629
paulunderwood
 
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Congrats to Dmitry Domanov for the 1,634,442 digit prime 5 * 2^5429494 - 1

Last fiddled with by paulunderwood on 2017-01-13 at 17:01
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Old 2017-01-13, 19:18   #630
pepi37
 
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After milion nines:)

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Very nice prime!
Congratulations!

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Old 2017-01-14, 02:02   #631
Kosmaj
 
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Hi unconnected,

Congrats on a nice prime!
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Old 2017-01-14, 09:48   #632
unconnected
 
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Thank you all! It's proven now.
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Old 2017-01-14, 17:13   #633
Batalov
 
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Errhm... You probably wanted to say: "It is validated now"

Congrats!!
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Old 2017-01-15, 10:10   #634
pinhodecarlos
 
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Congratulations Dmitry!!!
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Old 2017-01-23, 18:36   #635
pinhodecarlos
 
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"Carlos Pinho"
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5,200,000-5,225,000 - 30% complete
5,225,000-5,250,000 - 30% complete
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Old 2017-01-26, 10:54   #636
pepi37
 
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After milion nines:)

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Quote:
Originally Posted by paulunderwood View Post
Congrats to Dmitry Domanov for the 1,634,442 digit prime 5 * 2^5429494 - 1
(5 · 2^5429494-1)2+36 , this is unverified prime, but it looks like very similar to 5*2^5429494-1

Last fiddled with by pepi37 on 2017-01-26 at 10:56
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Old 2017-01-26, 12:17   #637
paulunderwood
 
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Quote:
Originally Posted by pepi37 View Post
(5 · 2^5429494-1)2+36 , this is unverified prime, but it looks like very similar to 5*2^5429494-1
I have just emailed Chris Caldwell about this hopeless case -- not PRP, not provable -- so his server stops wasting its time on it.
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Old 2017-01-26, 18:52   #638
rudy235
 
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Quote:
Originally Posted by paulunderwood View Post
I have just emailed Chris Caldwell about this hopeless case -- not PRP, not provable -- so his server stops wasting its time on it.
I would think there is no method of proving deterministically such a large prime of that form even if it were a PRP (which apparently it is NOT)
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