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Search: Posts Made By: Batalov
Forum: Proth Prime Search 2021-12-02, 18:08
Replies: 13
Views: 19,389
Posted By Batalov
Thumbs up It is one of the Extended Sierpinski Project...

It is one of the Extended Sierpinski Project (http://www.primegrid.com/stats_esp_llr.php).

(That is, proving the next Sierpinski constant, while proving the first one...
Forum: Lounge 2021-11-30, 07:50
Replies: 4,402
Views: 376,880
Posted By Batalov
Cool "10 stupid questions to..." "...a mathematician"

EYsr0DZWMCg

There was a good Russian modernist poet (https://en.wikipedia.org/wiki/Vladimir_Mayakovsky) who adapted to the 1917 revolution and became a sort of an agitator and propagandist - and...
Forum: And now for something completely different 2021-11-30, 03:55
Replies: 17
Views: 7,706
Posted By Batalov
Mark R. actually wrote a sieve for that. I used...

Mark R. actually wrote a sieve for that.
I used my own because it was way before that. (The sharp eyes will notice that this thread is from '16; but actually there was one even before that; then...
Forum: Number Theory Discussion Group 2021-11-29, 23:19
Replies: 15
Views: 714
Posted By Batalov
Thank you for answering the rhetorical question....

Thank you for answering the rhetorical question. :rolleyes:

The '-' sign happens exactly at q=3.
(Which makes a-PRP still work, even for q=3, because you square both sides for the last time in...
Forum: Number Theory Discussion Group 2021-11-29, 22:08
Replies: 15
Views: 714
Posted By Batalov
Also, suggestion for simplification of your...

Also, suggestion for simplification of your statement.

Your a=1+√2 (mod p) -- much simpler to look at.
Are you saying that [$]a^{{p+1}\over 2} = a[/$] (mod p) ?
That's the same* as ap = a (mod...
Forum: Number Theory Discussion Group 2021-11-29, 21:46
Replies: 15
Views: 714
Posted By Batalov
What made you think that this is a 'new...

What made you think that this is a 'new conjecture'?

Your original thread title was false and misleading: 'Potential new primality test for Mersenne numbers'.
One moderator implemented your...
Forum: Number Theory Discussion Group 2021-11-29, 21:38
Replies: 15
Views: 714
Posted By Batalov
Unreasonable. Because it is 100-200 years too...

Unreasonable.
Because it is 100-200 years too late (as a string of letters).
If there is not even shard of a proof or even a sketch, then what does it add?
If there is, we are eager to hear it....
Forum: And now for something completely different 2021-11-29, 10:34
Replies: 17
Views: 7,706
Posted By Batalov
=SB

=SB
Forum: And now for something completely different 2021-11-26, 22:09
Replies: 56
Views: 9,458
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: 8,623
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: 5,359
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: 5,359
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: 5,359
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: 56
Views: 9,458
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: 56
Views: 9,458
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: 86,597
Posted By Batalov
Thumbs up pXezLv_5RaY

pXezLv_5RaY
Forum: And now for something completely different 2021-11-18, 21:51
Replies: 71
Views: 8,623
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: 699
Posted By Batalov
@Stargate38 -...

@Stargate38 - https://letmegooglethat.com/?q=fastecpp
Forum: And now for something completely different 2021-11-15, 07:33
Replies: 56
Views: 9,458
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: 86,597
Posted By Batalov
oata-ksmxjg Or6Kgo3UsrU

oata-ksmxjg Or6Kgo3UsrU
Forum: And now for something completely different 2021-11-15, 06:34
Replies: 56
Views: 9,458
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: 56
Views: 9,458
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: 56
Views: 9,458
Posted By Batalov
Define B1 !

Define B1 !
Forum: And now for something completely different 2021-11-15, 02:20
Replies: 56
Views: 9,458
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: 285
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...
Showing results 1 to 25 of 1000

 
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