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Forum: And now for something completely different 2021-11-26, 22:09
Replies: 55
Views: 9,254
Posted By Batalov
CPAP-7 (466 digits) is not in there.

CPAP-7 (466 digits) is not in there.
Forum: And now for something completely different 2021-11-26, 22:05
Replies: 71
Views: 8,497
Posted By Batalov
Our project was completely independent -...

Our project was completely independent - independent sieve and independent testing. We do not coordinate with that site. We cannot help you (or that site) document what you for some idle reason want...
Forum: And now for something completely different 2021-11-22, 00:49
Replies: 69
Views: 5,160
Posted By Batalov
Well, if it is maintained in this way, then only...

Well, if it is maintained in this way, then only Table 1 from it is meaningful, really, because the rest is prone to a lot of errors of omission.

For example if you forget to put the 6-Tuplet...
Forum: And now for something completely different 2021-11-21, 23:10
Replies: 69
Views: 5,160
Posted By Batalov
See section "5"...

See section "5" (http://www.pzktupel.de/JensKruseAndersen/simultprime.htm#history5). What CPAPs do you see?
Then see section "6" (https://www.pzktupel.de/JensKruseAndersen/simultprime.htm#history6)....
Forum: And now for something completely different 2021-11-21, 21:54
Replies: 69
Views: 5,160
Posted By Batalov
I scanned through simultprime page and I see...

I scanned through simultprime page and I see (*near the bottom) that this is simply a union of five disparate classes.
Many recent CPAPs are missing from this page; for uniformity it is probably...
Forum: And now for something completely different 2021-11-21, 20:55
Replies: 55
Views: 9,254
Posted By Batalov
CPAP-7

CPAP-7 proper record:

145706980166212*1069#+x253+210*n, n=2..8 (466 digits...
Forum: And now for something completely different 2021-11-20, 06:16
Replies: 55
Views: 9,254
Posted By Batalov
Cool new CPAP-9 record

A new CPAP-9 updated record

7661619169627*379#+x153+210*n, n=0..8 (167 digits...
Forum: Lounge 2021-11-19, 08:09
Replies: 1,057
Views: 86,406
Posted By Batalov
Thumbs up pXezLv_5RaY

pXezLv_5RaY
Forum: And now for something completely different 2021-11-18, 21:51
Replies: 71
Views: 8,497
Posted By Batalov
Lightbulb Not all those who can read, can comprehend. Also,...

Not all those who can read, can comprehend. Also, not all those who can read, actually do read.

Hint: re-read the complete text of A004023 (https://oeis.org/A004023). What, upon reading, becomes...
Forum: Miscellaneous Math 2021-11-16, 17:15
Replies: 5
Views: 675
Posted By Batalov
@Stargate38 -...

@Stargate38 - https://letmegooglethat.com/?q=fastecpp
Forum: And now for something completely different 2021-11-15, 07:33
Replies: 55
Views: 9,254
Posted By Batalov
The probability is damn near zero, my man. You...

The probability is damn near zero, my man. You will spend too much bandwidth finding tons of quasi-CPAPs only to find that they have an intermingling prime between them which will negate the find.
...
Forum: Lounge 2021-11-15, 07:16
Replies: 1,057
Views: 86,406
Posted By Batalov
oata-ksmxjg Or6Kgo3UsrU

oata-ksmxjg Or6Kgo3UsrU
Forum: And now for something completely different 2021-11-15, 06:34
Replies: 55
Views: 9,254
Posted By Batalov
CPAP-8

CPAP-8 is found [early, actually] (also improves CPAP-7):

8081110034864*619#+x253+210*n, n=1..8 (272 digits...
Forum: And now for something completely different 2021-11-15, 05:52
Replies: 55
Views: 9,254
Posted By Batalov
I have 5 more of these, which I will not report. ...

I have 5 more of these, which I will not report.
I only need ~20 to hit CPAP-8.

The pyramid constant for this form with a certain level of sieving is 20.
Pyramid goes like this: you test...
Forum: And now for something completely different 2021-11-15, 05:44
Replies: 55
Views: 9,254
Posted By Batalov
Define B1 !

Define B1 !
Forum: And now for something completely different 2021-11-15, 02:20
Replies: 55
Views: 9,254
Posted By Batalov
Cool CPAP-7

And, to warm up, -- a small update to CPAP-7 (leading to possible CPAP-8 and/or CPAP-9):

2022541154997*619#+x253+210*n, n=0..6 (271 digits...
Forum: MattcAnderson 2021-11-14, 09:28
Replies: 7
Views: 262
Posted By Batalov
@Matt - Here's an easy construction for square...

@Matt - Here's an easy construction for square roots approximations of any arbitrary numbers. No need for matrices.
Use Newton's method (https://en.wikipedia.org/wiki/Newton%27s_method) for solving...
Forum: Aliquot Sequences 2021-11-14, 06:59
Replies: 3,621
Views: 380,503
Posted By Batalov
Take 2552112

Take 2552112
Forum: And now for something completely different 2021-11-14, 00:37
Replies: 55
Views: 9,254
Posted By Batalov
Of course. :coffee:

Of course. :coffee:
Forum: And now for something completely different 2021-11-13, 23:58
Replies: 55
Views: 9,254
Posted By Batalov
Cool ~3000 core-days for testing and ~100 core days...

~3000 core-days for testing and ~100 core days for sieving with custom sieve.

I am thinking about merging sieve with PFGW some time later (for larger CPAPs), or else the sieved files are wasting...
Forum: And now for something completely different 2021-11-13, 23:16
Replies: 55
Views: 9,254
Posted By Batalov
Lightbulb And now, --a proper CPAP-6 record for 2021. ...

And now, --a proper CPAP-6 record for 2021.

533098369554*2357#+3399421517+30*n, n=0..5 (1012 digits (https://primes.utm.edu/primes/page.php?id=132936))
Forum: Aliquot Sequences 2021-11-11, 06:12
Replies: 3,621
Views: 380,503
Posted By Batalov
Take 2586978

Take 2586978
Forum: Factoring 2021-11-09, 17:42
Replies: 17
Views: 803
Posted By Batalov
These primes will have to be even.

These primes will have to be even.
Forum: Factoring 2021-11-09, 02:10
Replies: 17
Views: 803
Posted By Batalov
I can help by saving you a few percent. You don't...

I can help by saving you a few percent. You don't need 1/3.
It has been (https://primes.utm.edu/primes/page.php?id=132705) demonstrated that 28.7% (and with a stretch even 28.2%; then it will become...
Forum: Factoring 2021-11-08, 23:10
Replies: 17
Views: 803
Posted By Batalov
Understatement detected! :rolleyes:

Understatement detected! :rolleyes:
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