Bases 2 & 4 reservations/statuses/primes

[gd_barnes]

Originally Posted by gd_barnes

Jean,

Without doing some detailed looking, how many k's are unreserved that you have sieved? Also, what n-value have you sieved them to and how deep were they sieved?

I will reserve all remaining unreserved k's to n=600K for the conjectures. I now have a full quad that I'll be able to put them on.


Gary

As it turns out, there are few unreserved k's for these conjectures that are not already at n=600K but I'll reserve them to bring them up there:

Reserving Riesel base 2 odd-n k=39687, 133977, and 155877.

I'll take them from n=524K to 600K using Jean's sieved files.

Karsten, could you work towards getting your Riesel and Sierp even-n and odd-n conjectures reservations up to n=500K-600K? Or could I help with that?

Most beneficial to find primes for would be the 3 Riesel even-n k's, which would also knock out the same 3 k's on base 4 and 1 k on base 16.


Thanks,
Gary

[kar_bon]

Originally Posted by gd_barnes

As it turns out, there are few unreserved k's for these conjectures that are not already at n=600K but I'll reserve them to bring them up there:

Reserving Riesel base 2 odd-n k=39687, 133977, and 155877.

I'll take them from n=524K to 600K using Jean's sieved files.

Karsten, could you work towards getting your Riesel and Sierp even-n and odd-n conjectures reservations up to n=500K-600K? Or could I help with that?

i'm working still on all 11 odd k's (except 148323 for Jean), some doublechecking too,
currently at n=385k.
the 3 even k's the same, still testing.
both on a smaller machine so not much power by now.

see http://www.rieselprime.de/Related/LiskovetsGallot.htm

[gd_barnes]

Originally Posted by kar_bon

i'm working still on all 11 odd k's (except 148323 for Jean), some doublechecking too,
currently at n=385k.
the 3 even k's the same, still testing.
both on a smaller machine so not much power by now.

see http://www.rieselprime.de/Related/LiskovetsGallot.htm

I'm confused. I don't see a reservation from you in this thread for the 3 k's that I reserved this morning, k=39687, 133977, and 155877. Also, those k's are past n=524K, which is why I reserved them from n=524K-600K.

So are you double-checking these 3 k's up to their current testing limit and then continuing with them? Also, can you tell me how far you're planning on taking all of the k's?

Edit: One final question: The last I had from you was n=379K on even-n and 301K on odd-n. So are BOTH even-n and odd-n at n=385K?


Thanks,
Gary

[kar_bon]

Originally Posted by gd_barnes

I'm confused. I don't see a reservation from you in this thread for the 3 k's that I reserved this morning, k=39687, 133977, and 155877. Also, those k's are past n=524K, which is why I reserved them from n=524K-600K.
So are you double-checking these 3 k's up to their current testing limit and then continuing with them? Also, can you tell me how far you're planning on taking all of the k's?

ok, i see.
in post #61 i mentioned all 13 k's tested up ton=274k and updated the page.
so to be official i'm testing 11 k's at once and those three as doublecheck.
so i can update that page reserving those 3 for you, Gary, and the rest with the new n-limit to me! i try to push all others k's to higher limits, about 500k or more.

[gd_barnes]

Originally Posted by kar_bon

ok, i see.
in post #61 i mentioned all 13 k's tested up ton=274k and updated the page.
so to be official i'm testing 11 k's at once and those three as doublecheck.
so i can update that page reserving those 3 for you, Gary, and the rest with the new n-limit to me! i try to push all others k's to higher limits, about 500k or more.

OK, I'll maintain the reservation from n=524K-600K on Riesel odd-n k=39687, 133977, and 155877. I'll put them on 1 high-speed core this evening. With such a small n-range on only 3 k's, it shouldn't take too long.

For final clarification, please re-verify the following:

These NINE k's are now at n=385K for FIRST-TIME testing:

even-n:
k=14361, 19401, and 20049

odd-n:
k=30003, 103947, 106377, 147687, 154317, and 163503


These FOUR k's are at n=385K for DOUBLE-CHECK testing:

odd-n:
k=6927, 39687, 133977, and 155877


Is that correct?


I realize I may be a little pushy here. The reason that I'm pushing these a little has somewhat to do with the base 4 and 16 conjectures. k=20049 for Riesel base 16 is the only k that is not at least at n=130K (n=520K base 2). It is only at n=96.25K base 16. Also, all 3 even-n k's above also remaining for Riesel base 4 and are the only k's for that base that are not at least at n=300K base 4 (n=600K base 2). They are only at n=192.5K base 4.

I'm trying to keep a close eye on k's that remain for more than one base because it's easy to get them out of sync with one another on the web pages. They just have more visibilitiy and are easier to get messed up in trying to avoid duplication of effort across bases.


Thanks again,
Gary

[gd_barnes]

Riesel base 2 odd-n k=39687, 133977, and 155877 are now complete to n=642K and from n=650K-685K running on 2 cores.

I will go ahead and take these on up to n=800K using Jean's sieved files.


Gary

[gd_barnes]

Karsten, since you are effectively double-checking Riesel base 2 odd-n k=6927, 39687, 133977, and 155877, I'll add to my reservation of the latter 3 k-values by reserving k=6927 from n=600K-1M. I may sieve Jean's file a little further first.

Finding a prime for k=6927 would knock it out of 2 or 3 bases simultaneously.


Gary

[Jean Penné]

Riesel even n's :

k = 9519 is up to 861880, no prime, continuing...

Riesel odd n's :

k = 148323 is up to 784631, no prime, continuing...

If necessary, I shall test these k's up to 1M, and then stop!

As a remainder :

Sierpinski even n's / base 4 :

k = 60849 is now tested up to 1999866 with no prime found, so, my 2M range is completed, and I release this k...
Note I have not been very lucky with Sierp. base 4, testing three k's during two years up to 2M without finding any prime... I hope these primes are not too far above this point!

Regards,
Jean

[Jean Penné]

Hi,

I updated to-day all the presieved files on my site :

Riesel active files are now sieved up to more than 2000 billions.

Sierpinski active files are now sieved up to more than 675 billions.

Regards,
Jean

[gd_barnes]

Riesel base 2 odd-n k=6927, 39687, 133977, and 155877 are now all at n=700K. No primes.

k=6927 is very low weight and is running on one core. The other 3 k's combined are running on one core. k=6927 should be hitting around n=1M about the same time that the others are hitting n=800K, which is how far I intend to take them at this point.

Sheesh...the even-n/odd-n conjectures have really dried up on primes!


Gary

[gd_barnes]

Reserving Sierp odd-n k=53133, 60357, 84363, and 85287. I'll now take them up to n=800K.


Gary