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Search: Posts Made By: kuratkull
Forum: MattcAnderson 2021-10-18, 20:46
Replies: 4
Views: 454
Posted By kuratkull
Looks like a fun way to get into primes - it's...

Looks like a fun way to get into primes - it's something that would have aroused my interest a decade ago. But am I overlooking something? All these(the ones in the PDF) would take up to a second to...
Forum: And now for something completely different 2021-10-15, 08:39
Replies: 253
Views: 49,892
Posted By kuratkull
New Top5K and Top5 Kynea prime: ...

New Top5K and Top5 Kynea prime:
(42^159530+1)^2-2 is prime! (Decimal Digits:517914)
https://primes.utm.edu/primes/page.php?id=132835
Forum: And now for something completely different 2021-10-01, 19:50
Replies: 10
Views: 1,952
Posted By kuratkull
New Top5K prime: (42^157323+1)^2-2 ...

New Top5K prime:

(42^157323+1)^2-2

https://primes.utm.edu/primes/page.php?id=132772
Forum: Riesel Prime Search 2021-10-01, 11:50
Replies: 1,051
Views: 156,401
Posted By kuratkull
ongoing progress report: k=193 at n=5M ...

ongoing progress report:

k=193 at n=5M
k=195 at n=5M
k=197 at n=5M
Forum: And now for something completely different 2021-10-01, 10:04
Replies: 253
Views: 49,892
Posted By kuratkull
(42^157323+1)^2-2 is prime! Digits:510749 ...

(42^157323+1)^2-2 is prime! Digits:510749


Barely got into Top5K at position 4286, it was estimated that it'll drop out in about 10 weeks time.


...
Forum: And now for something completely different 2021-08-30, 08:08
Replies: 253
Views: 49,892
Posted By kuratkull
(42^106238+1)^2-2 is 3-PRP!

(42^106238+1)^2-2 is 3-PRP!
Forum: And now for something completely different 2021-08-30, 08:07
Replies: 302
Views: 56,155
Posted By kuratkull
Base 42 is done to 150k, one prime found,...

Base 42 is done to 150k, one prime found, reported in other thread.

Reserving to 200k.
Forum: Riesel Prime Search 2021-04-29, 20:22
Replies: 1,977
Views: 227,181
Posted By kuratkull
197*2^4765318-1 is prime! (1434506 decimal...

197*2^4765318-1 is prime! (1434506 decimal digits)


https://primes.utm.edu/primes/page.php?id=132236
Forum: And now for something completely different 2021-04-05, 20:41
Replies: 302
Views: 56,155
Posted By kuratkull
Base 42 is done to n=100k 2 primes reported in...

Base 42 is done to n=100k
2 primes reported in other thread.
Planning to continue, so reserving up to n=150k
Forum: And now for something completely different 2021-04-05, 20:39
Replies: 253
Views: 49,892
Posted By kuratkull
Base 42 tested to n=100k (continuing) Two...

Base 42 tested to n=100k (continuing)
Two primes found:
(42^33475+1)^2-2 is 3-PRP! (135.6747s+0.0009s)
(42^40891-1)^2-2 is 3-PRP! (199.4855s+0.0010s)
Forum: And now for something completely different 2021-03-06, 17:16
Replies: 302
Views: 56,155
Posted By kuratkull
I'm reserving base 42 to 100k with the intent to...

I'm reserving base 42 to 100k with the intent to take it further if all goes well.
Forum: Riesel Prime Search 2021-03-06, 09:13
Replies: 1,977
Views: 227,181
Posted By kuratkull
195*2^4685711-1 is prime! (1410542 decimal...

195*2^4685711-1 is prime! (1410542 decimal digits)

https://primes.utm.edu/primes/page.php?id=132121

k<300 highest Nash weight k delivers again.
Forum: Riesel Prime Search 2021-02-02, 12:40
Replies: 1,051
Views: 156,401
Posted By kuratkull
progress report: k=193 at n=4.6M k=195...

progress report:


k=193 at n=4.6M
k=195 at n=4.6M
k=197 at n=4.6M
Forum: Riesel Prime Search 2020-11-04, 06:56
Replies: 1,977
Views: 227,181
Posted By kuratkull
195*2^4373994-1 is prime! (1316706 digits) ...

195*2^4373994-1 is prime! (1316706 digits)

https://primes.utm.edu/primes/page.php?id=131376

Non-essential fun facts:
1) k=195 is the highest Nash weight k in RSP k<300, with a weight of...
Forum: Riesel Prime Search 2020-09-21, 05:55
Replies: 1,051
Views: 156,401
Posted By kuratkull
3 month update: k=193 at n=4.2M k=195 at...

3 month update:
k=193 at n=4.2M
k=195 at n=4.2M
k=197 at n=4.2M

continuing all

(rieselprime.de updated)
Forum: Riesel Prime Search 2020-07-02, 12:33
Replies: 439
Views: 86,065
Posted By kuratkull
llrCUDA works, I have been running one for...

llrCUDA works, I have been running one for months. But it's slow, much slower than a CPU in the same class .
I am getting 1.1ms per iteration on n=3.8M on a 1080TI
While the same n is getting 0.271...
Forum: Riesel Prime Search 2020-06-11, 14:11
Replies: 1,051
Views: 156,401
Posted By kuratkull
3 month update: k=193 at n=3.7M k=195 at...

3 month update:
k=193 at n=3.7M
k=195 at n=3.7M
k=197 at n=3.7M

continuing all

(will also update and link from rieselprime.de)
Forum: PrimeNet 2020-05-19, 06:17
Replies: 4
Views: 2,634
Posted By kuratkull
I can appreciate strict primality over PRP of...

I can appreciate strict primality over PRP of course. But I would like to point out that the likelihood PRPs the size of this specific number being Fermat liars is in the neighborhood of 10-50000. So...
Forum: Hardware 2020-04-30, 16:03
Replies: 3
Views: 2,453
Posted By kuratkull
Take a bunch of reasonably sized primes from...

Take a bunch of reasonably sized primes from Top5k or from the forums and run them.
Forum: Software 2020-04-22, 06:21
Replies: 304
Views: 68,184
Posted By kuratkull
Printing Carriage Return instead of the Newline...

Printing Carriage Return instead of the Newline symbol does that to a line.
Also I wouldn't say "Probabilistic vs Deterministic" is the reason we use the LLR test vs the Fermat test. The LLR test is...
Forum: Cloud Computing 2020-04-14, 14:07
Replies: 1,181
Views: 134,772
Posted By kuratkull
Indeed it randomly notifies about the lapsing of...

Indeed it randomly notifies about the lapsing of the 10-12 hours by saying my session was inactive, though of course it wasn't. I think it's just a mistake on their part. I have an automated setup...
Forum: Cloud Computing 2020-04-13, 06:32
Replies: 43
Views: 16,282
Posted By kuratkull
I am sure Google tries its best so that users...

I am sure Google tries its best so that users wouldn't see that. But I can see how instances could be unavailable for a short time in times of congestion. Other than that one brief time when it...
Forum: Cloud Computing 2020-04-08, 14:55
Replies: 43
Views: 16,282
Posted By kuratkull
Just happened to both of my accounts. Got...

Just happened to both of my accounts. Got backends again a short time later.
Forum: GPU to 72 2020-04-07, 15:27
Replies: 208
Views: 42,449
Posted By kuratkull
Just a note: You can not (usually) copyright a...

Just a note: You can not (usually) copyright a word/name. A word/name needs a (possibly registered) trademark. What you may have on your hands with GPU72 is a...
Forum: Cloud Computing 2020-04-07, 08:02
Replies: 43
Views: 16,282
Posted By kuratkull
CPU instances (for LLR64) have been...

CPU instances (for LLR64) have been stable/predictable for the last couple of weeks. I use two accounts with 4 instances each. They both get about 12 hours of runtime a day. Both accounts expire and...
Showing results 1 to 25 of 149

 
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