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Forum: sweety439 2021-06-15, 15:19
Replies: 1,226
Views: 72,313
Posted By sweety439
Riesel base 192

1,2
192,1
383,3
574,1
765,1
956,3
1147,1
1338,2
1529,67
1720,4
Forum: sweety439 2021-06-15, 15:03
Replies: 1,226
Views: 72,313
Posted By sweety439
Riesel base 191

1,17
2,970
3,2
4,5


With CK=5

Conjecture proven
Forum: sweety439 2021-06-15, 15:02
Replies: 1,226
Views: 72,313
Posted By sweety439
Riesel base 190

CK = 626861 is too high, thus not run this base
Forum: sweety439 2021-06-15, 15:01
Replies: 1,226
Views: 72,313
Posted By sweety439
Riesel base 189

1,3
2,3
3,1
4,(partial algebra factors)
5,2
6,3
7,1
8,1
Forum: sweety439 2021-06-15, 14:59
Replies: 1,226
Views: 72,313
Posted By sweety439
Riesel base 188

1,3
2,2
3,1
4,1
5,40
6,950
7,7


With CK=8
Forum: sweety439 2021-06-15, 14:58
Replies: 1,226
Views: 72,313
Posted By sweety439
Riesel base 187

1,37
2,1
3,2
4,9
5,1
6,2
7,510
8,2
9,3
10,16
Forum: sweety439 2021-06-14, 22:58
Replies: 1,226
Views: 72,313
Posted By sweety439
Files updated to include the newest status for...

Files updated to include the newest status for R63, S63, S81, S97, S106 (the old files only include S81 and S97)
Forum: sweety439 2021-06-14, 21:33
Replies: 1,226
Views: 72,313
Posted By sweety439
(201*141^5279-1)/20 is probable prime. R141...

(201*141^5279-1)/20 is probable prime.

R141 is proven.

(consecutive proven Riesel bases: R139 to R144)
Forum: Aliquot Sequences 2021-06-14, 21:27
Replies: 0
Views: 41
Posted By sweety439
A problem of Aliquot sum

Is 28 the only perfect number n for which no other number has Aliquot sum to n? (e.g. 6 = s(25), 496 = s(652), 8128 = s(10682) = s(10828))
Forum: sweety439 2021-06-14, 21:03
Replies: 1,226
Views: 72,313
Posted By sweety439
Riesel bases have extended to 200 (word file...

Riesel bases have extended to 200 (word file building .... now done to base 155)
...
Forum: sweety439 2021-06-14, 19:24
Replies: 11
Views: 87
Posted By sweety439
Why can you run a much larger number...

Why can you run a much larger number (10^23614+1-10^11807)/91 (http://factordb.com/certoverview.php?pending=true)?
Forum: sweety439 2021-06-14, 19:23
Replies: 11
Views: 87
Posted By sweety439
I download the windows version of Primo...

I download the windows version of Primo (https://www.rieselprime.de/dl/Primo309.zip) which is posted by kar_bon, see https://mersenneforum.org/showthread.php?t=26873
Forum: sweety439 2021-06-13, 19:07
Replies: 11
Views: 87
Posted By sweety439
"Education of Eliza Doolittle"

I am now reserving (3*107^4900-1)/2 with Primo, this is the screenshot.

I have a plan to reserve these numbers:

* generalized Sierpinski...
Forum: Conjectures 'R Us 2021-06-11, 16:41
Replies: 21
Views: 8,633
Posted By sweety439
To make you understand, these are the base b form...

To make you understand, these are the base b form for these unsolved families (12{3}45 means 12333...33345, i.e. {1245, 12345, 123345, 1233345, 12333345, 123333345, ...}, and A-Z means digit value...
Forum: Conjectures 'R Us 2021-06-11, 16:26
Replies: 21
Views: 8,633
Posted By sweety439
Did srsieve2 update? I want to solve the...

Did srsieve2 update?

I want to solve the minimal prime (https://primes.utm.edu/glossary/xpage/MinimalPrime.html) problem for bases 2<=b<=50. Can srsieve2 handle (a*b^n+c)/d for d>1 now? For odd...
Forum: sweety439 2021-06-11, 16:21
Replies: 132
Views: 15,896
Posted By sweety439
Done for all bases <=50 Bases 43, 47, 49 are...

Done for all bases <=50

Bases 43, 47, 49 are not listed as they have some unsolved families x{y}z with |x|>=7 or |z|>=7, thus my excel program cannot handle (will give error a or c value for...
Forum: FactorDB 2021-06-10, 19:06
Replies: 5
Views: 336
Posted By sweety439
I have already added all Bell numbers...

I have already added all Bell numbers (https://oeis.org/A000110), all Euler zigzag numbers (https://oeis.org/A000111), and all Fubini numbers (https://oeis.org/A000670), both up to index 500, in last...
Forum: sweety439 2021-06-10, 16:42
Replies: 132
Views: 15,896
Posted By sweety439
bug fixed:...

bug fixed: https://docs.google.com/spreadsheets/d/e/2PACX-1vRCn7Ytp1_Jbgi2b0MkjPxWE6yk3Eq81Wa3kWUUmRY8odQWJzGFBL1RZ4nqks3RJXuqlUoWm37HO6pu/pubhtml (with unsolved families for bases 29, 31, 32, 33,...
Forum: FactorDB 2021-06-10, 14:38
Replies: 470
Views: 78,169
Posted By sweety439
The link http://factordb.com/help.php?page=1 is...

The link http://factordb.com/help.php?page=1 is broken.
Forum: sweety439 2021-06-10, 13:07
Replies: 132
Views: 15,896
Posted By sweety439
Large known minimal primes in base b for some...

Large known minimal primes in base b for some bases 2<=b<=36:

b=13 (http://factordb.com/index.php?showid=1100000000490878060&base=13)

b=17...
Forum: sweety439 2021-06-09, 19:16
Replies: 366
Views: 23,271
Posted By sweety439
A305547...

A305547 (https://oeis.org/history/view?seq=A305547&v=58)
A305549 (https://oeis.org/history/view?seq=A305549&v=29)
A305550 (https://oeis.org/history/view?seq=A305550&v=45)
A326611...
Forum: sweety439 2021-06-09, 17:18
Replies: 132
Views: 15,896
Posted By sweety439
I am now make a list of the algebra forms for the...

I am now make a list of the algebra forms for the unsolved families (I use excel...
Forum: Lone Mersenne Hunters 2021-06-09, 13:59
Replies: 1,892
Views: 235,927
Posted By sweety439
When I add the P-1 method with B1=740000,...

When I add the P-1 method with B1=740000, B2=20264000 for this prime in factordb (http://factordb.com/index.php?id=1100000002602478101), it says "Err: Calculated grouporder...
Forum: Aliquot Sequences 2021-06-08, 16:14
Replies: 5
Views: 228
Posted By sweety439
See related thread...

See related thread https://mersenneforum.org/showthread.php?t=22701
Forum: FactorDB 2021-06-08, 15:39
Replies: 13
Views: 8,089
Posted By sweety439
the sequence (http://factordb.com/sequences.php)...

the sequence (http://factordb.com/sequences.php) in factordb can add the problem in https://oeis.org/A195264 and https://oeis.org/A316941 (like the home prime problem https://oeis.org/A037274), also...
Showing results 1 to 25 of 1000

 
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