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Search: Posts Made By: kar_bon
Forum: Aliquot Sequences 2022-09-27, 08:41
Replies: 1,970
Views: 224,353
Posted By kar_bon
With my scripts (which uses Garambois, too) I can...

With my scripts (which uses Garambois, too) I can process ~30 bases at once before the FactorDB limit for one hour is reached by now.

1) ~1.2M Database queries allowed in an one hour period by...
Forum: Aliquot Sequences 2022-09-18, 11:24
Replies: 47
Views: 874
Posted By kar_bon
Here's a list of seqs where only index 1 exists...

Here's a list of seqs where only index 1 exists unfactored (not all current bases included, I got not all data of them right now) sorted by digit-length of unfactored part.


base n ...
Forum: Proth Prime Search 2022-09-15, 14:03
Replies: 73
Views: 2,179
Posted By kar_bon
It's only a warning from pfgw: if pfgw runs any...

It's only a warning from pfgw: if pfgw runs any file an *.ini file is created where you can find the last processed input file. Delete the .ini and there is no warning. So nothing to worry sbout.
Forum: Aliquot Sequences 2022-09-14, 14:39
Replies: 1,970
Views: 224,353
Posted By kar_bon
You missed prime 257 as ending in the new...

You missed prime 257 as ending in the new "graph.txt".

There're some bases which are not listed taken in the first attempt and some newly terminated seqs, too.
Bases like 780, 828, 888 or...
Forum: Proth Prime Search 2022-09-14, 08:27
Replies: 73
Views: 2,179
Posted By kar_bon
How you call pfgw64? I got >pfgw64...

How you call pfgw64?

I got

>pfgw64 -q999998912894617
PFGW Version 4.0.3.64BIT.20220704.Win_Dev [GWNUM 29.8]

Switching to Exponentiating using GMP
999998912894617 is composite: RES64:...
Forum: Aliquot Sequences 2022-09-08, 11:35
Replies: 885
Views: 41,718
Posted By kar_bon
338^64 terminates in P42 This was the last open...

338^64 terminates in P42
This was the last open seq for base 338.
Forum: Aliquot Sequences 2022-08-24, 12:53
Replies: 885
Views: 41,718
Posted By kar_bon
181^65 terminated

181^65 terminated
Forum: Linux 2022-07-28, 11:32
Replies: 21
Views: 674
Posted By kar_bon
Try this: put the extra % just after the...

Try this: put the extra % just after the floating-string.

...awk '{printf "GPU 1 TESTED %.2f%\n", $1*100/$2x}'
Forum: Other Mathematical Topics 2022-07-21, 15:59
Replies: 7
Views: 693
Posted By kar_bon
Then take (OEIS says n has to be greater than...

Then take (OEIS says n has to be greater than 50000):

ABC2 $a^$a+2
a: from 50001 to 99999 step 2
Forum: Other Mathematical Topics 2022-07-21, 15:54
Replies: 7
Views: 693
Posted By kar_bon
There're countless of them, but the smallest is...

There're countless of them, but the smallest is k=1 & n=1 -> 5.
Forum: Aliquot Sequences 2022-07-21, 11:34
Replies: 885
Views: 41,718
Posted By kar_bon
Found a P51 with 96 curves at B1=11M for 127^93,...

Found a P51 with 96 curves at B1=11M for 127^93, now a C161.
Forum: Other Mathematical Topics 2022-07-21, 11:13
Replies: 7
Views: 693
Posted By kar_bon
See A100407 ('https://oeis.org/A100407'), but the...

See A100407 ('https://oeis.org/A100407'), but the PRP for n=1349 is already proven prime here ('http://factordb.com/index.php?id=1100000000492765487'). The prime for n=737 is here...
Forum: storm5510 2022-07-03, 15:41
Replies: 6
Views: 477
Posted By kar_bon
You should look here...

You should look here ('https://www.mersenneforum.org/showthread.php?t=21240') in this forum for the minus-kind of Leyland numbers and also this page ('http://primfakt.atw.hu/').

All your found...
Forum: XYYXF Project 2022-07-01, 20:00
Replies: 589
Views: 133,845
Posted By kar_bon
There's already a page...

There's already a page ('https://www.rieselprime.de/ziki/Leyland_number') with some old ranges, a graph and just only 1814 numbers with many data and links to FactorDB.
Forum: MattcAnderson 2022-06-23, 21:03
Replies: 5
Views: 204
Posted By kar_bon
5 hours of energy which could be saved by...

5 hours of energy which could be saved by searching a well known database of such formats of number, see Studio Kamada ('https://stdkmd.net/nrr/repunit/10001.htm') for factors of 10^n+1 for n=1 to...
Forum: Software 2022-06-23, 07:32
Replies: 5
Views: 402
Posted By kar_bon
ehhhm... [...] Read 17421 terms [...] ...

ehhhm...

[...] Read 17421 terms [...]
[...] Deleted 17421 terms [...]

The source only contains one sequence for k=27 and the prime _is_ for k=27, so all is correct.
Forum: Sierpinski/Riesel Base 5 2022-06-16, 13:02
Replies: 26
Views: 43,891
Posted By kar_bon
One down for the Riesel-base 5 conjecture: ...

One down for the Riesel-base 5 conjecture:

64598 * 5^3769854-1 ('https://primes.utm.edu/primes/page.php?id=134054') is prime, 2,635,020 digits, found on 2022-06-14 by PrimeGrid.

Curious: the 5...
Forum: Aliquot Sequences 2022-06-15, 13:05
Replies: 885
Views: 41,718
Posted By kar_bon
1058^50: 140/136 terminated So the last open...

1058^50: 140/136 terminated

So the last open seq of this base is done now.
Forum: Homework Help 2022-06-10, 06:05
Replies: 24
Views: 1,654
Posted By kar_bon
Easiest way if you got one/both prime factors of...

Easiest way if you got one/both prime factors of the C130 for sure in the list:
- goto FactorDB ('http://factordb.com/index.php')
- put the 130 digit number in the field and click "factorize"
-...
Forum: Programming 2022-06-01, 23:17
Replies: 4
Views: 312
Posted By kar_bon
Try this: - your factors file is "test.txt" -...

Try this:
- your factors file is "test.txt"
- create awk file "listsort.awk" with code

{
gsub(/*2\^/," ",$3)
gsub(/+1/,"",$3)
gsub(/-1/,"",$3)
printf "%20s | %9s...
Forum: No Prime Left Behind 2022-06-01, 07:33
Replies: 9
Views: 643
Posted By kar_bon
The perfect number of a Mersenne prime 2p-1...

The perfect number of a Mersenne prime 2p-1 should read as 2p-1*(2p-1) instead.
Forum: No Prime Left Behind 2022-05-30, 22:38
Replies: 9
Views: 643
Posted By kar_bon
Using pfgw with pfgw64 -od...

Using pfgw with

pfgw64 -od -q"993*2^1717566-1" >prime.txt

puts out the number in decimal expansion in a file of 517,097 bytes:
including the expression in front and some spaces at the end....
Forum: And now for something completely different 2022-05-19, 06:41
Replies: 335
Views: 67,248
Posted By kar_bon
Cleaning holes in CK146: I've done CK146 for...

Cleaning holes in CK146:
I've done CK146 for 10000<n<30000, no primes found
Forum: And now for something completely different 2022-05-12, 08:59
Replies: 335
Views: 67,248
Posted By kar_bon
To clean up the irritations in the other thread: ...

To clean up the irritations in the other thread:
I've done CK46 for 30000<n<50000, no primes found
Forum: Riesel Prime Search 2022-04-24, 23:05
Replies: 477
Views: 75,387
Posted By kar_bon
What another mess! Stopping one k-value and...

What another mess!
Stopping one k-value and beginning another, again not from n=1 (although the primes for k=16545165 for n<10k are already known) and also missing your posted prime...
Showing results 1 to 25 of 1000

 
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