mersenneforum.org  

Go Back   mersenneforum.org > Search Forums

Showing results 1 to 25 of 516
Search took 0.08 seconds.
Search: Posts Made By: Cybertronic
Forum: And now for something completely different 2022-09-25, 07:16
Replies: 77
Views: 16,690
Posted By Cybertronic
Congratulation, Serge !

https://www.pzktupel.de/JensKruseAndersen/aprecords.htm
best wishes
Forum: Information & Answers 2022-09-23, 08:30
Replies: 40
Views: 3,303
Posted By Cybertronic
There was another smaller hit in the same cycle. ...

There was another smaller hit in the same cycle.
1000000000000000000000000000000002743862590724468830501 + d, d = 0, 2, 6, 8, 12, 18, 20, 26, 30, 32, 36, 42. This is now the smallest....
Forum: And now for something completely different 2022-09-23, 08:26
Replies: 76
Views: 13,941
Posted By Cybertronic
smallest 55-digit prime 12-tuplet, 1st kind

After round 2 weeks, I found the 1st smallest one to given pattern.
10^54 + 2743862590724468830501 + d, d = 0, 2, 6, 8, 12, 18, 20, 26, 30, 32, 36, 42, next is
10^54 + 2955087732304487826931 + d, d...
Forum: Information & Answers 2022-09-22, 06:14
Replies: 40
Views: 3,303
Posted By Cybertronic
Possible 1st kind is found. Offset with 22...

Possible 1st kind is found. Offset with 22 digits.
1000000000000000000000000000000002955087732304487826931 + d, d = 0, 2, 6, 8, 12, 18, 20, 26, 30, 32, 36, 42 is the smallest 55 digit prime...
Forum: And now for something completely different 2022-09-14, 10:11
Replies: 76
Views: 13,941
Posted By Cybertronic
smallest 7000-digit prime triplet 2nd kind

10^6999 + 1868862621087 + d, d = 0, 4, 6 is the smallest 7000-digit prime triplet to given pattern.
Many thanks goes to "kruoli" for his FastECPP-support !


Next: smallest 55 digit prime...
Forum: And now for something completely different 2022-09-12, 14:48
Replies: 78
Views: 10,604
Posted By Cybertronic
Updated

Congratulation Peter ! :smile:
Pages was updated !
https://pzktupel.de/ktuplets.php
Forum: Information & Answers 2022-09-09, 10:14
Replies: 40
Views: 3,303
Posted By Cybertronic
new version

https://pzktupel.de/transfer/additionsFB.zip


whats new:


file "primes.src" available
fixed k-interval is k=1000 -> offsetsize : 32589158477190044730000

for single core , each condition...
Forum: Information & Answers 2022-09-09, 08:57
Replies: 40
Views: 3,303
Posted By Cybertronic
Yes, confirm it and found the reason ... add this...

Yes, confirm it and found the reason ... add this files to Freebasic root folder , the same like file fbc

https://pzktupel.de/transfer/additionsFB.zip


BTW, the 19tuplet sieve need a file...
Forum: Information & Answers 2022-09-08, 13:16
Replies: 40
Views: 3,303
Posted By Cybertronic
You must start the command-box compile...

You must start the command-box


compile with fbc yourprogram.bas


I hope you have no Linux...it works only for Windows 64bit. Otherwise it don't work
Forum: Information & Answers 2022-09-07, 20:00
Replies: 40
Views: 3,303
Posted By Cybertronic
Searching up to 103'515'091'680'000'000 =...

Searching up to 103'515'091'680'000'000 = 29#*16000000 is done.

No 19-tuplet found.

best was:



You can continue this job, if you like.
Forum: Information & Answers 2022-09-07, 18:27
Replies: 40
Views: 3,303
Posted By Cybertronic
Big Int

Download and rename into *.bi


I have optimized now the special sieve incl deep sieving.

Near 64'696'932'300'000'000 (6.4e16) now.
32 threads can scan 6.7e17 per day.

Ratio for 5e16 ~ 1...
Forum: Information & Answers 2022-09-07, 05:58
Replies: 40
Views: 3,303
Posted By Cybertronic
CRGreathouse look for the special prime 19-tuplet...

CRGreathouse look for the special prime 19-tuplet X+d,d=0,8,24,48,80,120,168,224,288,360,440,528,624,728,840,960,1088,1224,1368
For number X=653, we get 18/19 are prime.
Best runs up to...
Forum: Information & Answers 2022-08-30, 09:45
Replies: 40
Views: 3,303
Posted By Cybertronic
Got the answer. 1906230835046648293290043 is...

Got the answer.
1906230835046648293290043 is the new starting point and the other known 18-tuplets was byproducts.
Forum: Information & Answers 2022-08-29, 21:46
Replies: 40
Views: 3,303
Posted By Cybertronic
There is an open question. :bangheadonwall: The...

There is an open question. :bangheadonwall:
The unknown smallest non-trivial prime 19-tuplet have a valid 18-tuplet.


I found in the archive:
183837276562811649018077773 + d, d = 0, 4, 6, 10,...
Forum: Information & Answers 2022-08-29, 16:43
Replies: 40
Views: 3,303
Posted By Cybertronic
Searching up to 65'178'316'954'380'089'460'000 is...

Searching up to 65'178'316'954'380'089'460'000 is done.
No 19-tuplet with pattern d = 0, 4, 6, 10, 16, 18, 24, 28, 30, 34, 40, 46, 48, 54, 58, 60, 66, 70, 76 available.

numbers with 16/19...
Forum: Information & Answers 2022-08-29, 11:22
Replies: 40
Views: 3,303
Posted By Cybertronic
deep checking

brought me 17/19 are true


3525391639439773250083+00 is 3-PRP! (0.000000 seconds)
3525391639439773250083+04 is 3-PRP! (0.000000 seconds)
3525391639439773250083+06 is 3-PRP! (0.000000 seconds)...
Forum: Information & Answers 2022-08-29, 07:57
Replies: 40
Views: 3,303
Posted By Cybertronic
status

Searching up to 32589158477190044730000 is done, no 19-tuplet found.
Best was one hit with 13 conditions in order for 3718239377799223934593.

These numbers have 16/19 are prime.
...
Forum: Information & Answers 2022-08-28, 21:09
Replies: 40
Views: 3,303
Posted By Cybertronic
It is the 1st time I offer my code, written in...

It is the 1st time I offer my code, written in Freebasic for a single run. :ermm:
I'm shure, it is one of the fastest code.
Forum: Information & Answers 2022-08-28, 16:40
Replies: 40
Views: 3,303
Posted By Cybertronic
test run

I have run now 32 threads...will see, how many conditions in order are true ... up to 32589158477190044730000
Tooks me 4h, so the offset progress (averaged) is 7e16/s and core


After 30min:...
Forum: Information & Answers 2022-08-27, 17:44
Replies: 40
Views: 3,303
Posted By Cybertronic
Edit: Sieve for d = 0, 4, 6, 10, 16, 18, 24,...

Edit:
Sieve for d = 0, 4, 6, 10, 16, 18, 24, 28, 30, 34, 40, 46, 48, 54, 58, 60, 66, 70, 76 is also ready.

here an example with 14/19 are prime , first 10 conditions are prime

...
Forum: Information & Answers 2022-08-27, 16:34
Replies: 40
Views: 3,303
Posted By Cybertronic
I wrote on my page: k=19 s=76 B={0 4 6 10 12 16...

I wrote on my page:
k=19 s=76 B={0 4 6 10 12 16 24 30 34 40 42 46 52 54 60 66 70 72 76}
smallest is unknown
But one is known ! :rolleyes:

622803914376064301858782434517 + d, d = 0, 4, 6, 10,...
Forum: Information & Answers 2022-08-27, 14:37
Replies: 40
Views: 3,303
Posted By Cybertronic
19tuplet code

Testsieve is done.

Pattern: d=00,04,06,10,12,16,24,30,34,40,42,46,52,54,60,66,70,72,76


I get per core 3.36e16 / s [ 1e18/s ! with 32 threads] . The program works in cycles and one is done in...
Forum: Information & Answers 2022-08-27, 10:42
Replies: 40
Views: 3,303
Posted By Cybertronic
Okay, forgot to say 6e17 (or more) is on 32...

Okay, forgot to say 6e17 (or more) is on 32 threads (two Ryzen 7 1700 @3GHz, round 3e16 per core and sec,without SMT.).
This target runs with 53# blocksize under my sparse freebasic code....note,...
Forum: Information & Answers 2022-08-26, 12:36
Replies: 40
Views: 3,303
Posted By Cybertronic
19-tuplet

This unknown prime 19-tuplet is very hard.
I found with my 2 PCs this smallest prime 17-tuplet

1341829940444122313597407 + d, d = 0, 4, 10, 12, 16, 22, 24, 30, 36, 40, 42, 46, 52, 54, 60, 64, 66...
Forum: And now for something completely different 2022-08-16, 11:24
Replies: 76
Views: 13,941
Posted By Cybertronic
smallest 7000-digiti prime triplet 1st kind

10^6999 + 1141791245437 + d, d = 0, 2, 6 is the smallest 7000-digit prime triplet to given pattern.
Many thanks goes to "kruoli" for his FastECPP-support !


https://pzktupel.de/smx000.php
Showing results 1 to 25 of 516

 
All times are UTC. The time now is 18:21.


Wed Sep 28 18:21:35 UTC 2022 up 41 days, 15:50, 1 user, load averages: 1.73, 1.46, 1.24

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2022, Jelsoft Enterprises Ltd.

This forum has received and complied with 0 (zero) government requests for information.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation.
A copy of the license is included in the FAQ.

≠ ± ∓ ÷ × · − √ ‰ ⊗ ⊕ ⊖ ⊘ ⊙ ≤ ≥ ≦ ≧ ≨ ≩ ≺ ≻ ≼ ≽ ⊏ ⊐ ⊑ ⊒ ² ³ °
∠ ∟ ° ≅ ~ ‖ ⟂ ⫛
≡ ≜ ≈ ∝ ∞ ≪ ≫ ⌊⌋ ⌈⌉ ∘ ∏ ∐ ∑ ∧ ∨ ∩ ∪ ⨀ ⊕ ⊗ 𝖕 𝖖 𝖗 ⊲ ⊳
∅ ∖ ∁ ↦ ↣ ∩ ∪ ⊆ ⊂ ⊄ ⊊ ⊇ ⊃ ⊅ ⊋ ⊖ ∈ ∉ ∋ ∌ ℕ ℤ ℚ ℝ ℂ ℵ ℶ ℷ ℸ 𝓟
¬ ∨ ∧ ⊕ → ← ⇒ ⇐ ⇔ ∀ ∃ ∄ ∴ ∵ ⊤ ⊥ ⊢ ⊨ ⫤ ⊣ … ⋯ ⋮ ⋰ ⋱
∫ ∬ ∭ ∮ ∯ ∰ ∇ ∆ δ ∂ ℱ ℒ ℓ
𝛢𝛼 𝛣𝛽 𝛤𝛾 𝛥𝛿 𝛦𝜀𝜖 𝛧𝜁 𝛨𝜂 𝛩𝜃𝜗 𝛪𝜄 𝛫𝜅 𝛬𝜆 𝛭𝜇 𝛮𝜈 𝛯𝜉 𝛰𝜊 𝛱𝜋 𝛲𝜌 𝛴𝜎𝜍 𝛵𝜏 𝛶𝜐 𝛷𝜙𝜑 𝛸𝜒 𝛹𝜓 𝛺𝜔