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Forum: sweety439 2020-11-24, 03:50
Replies: 18
Views: 2,163
Posted By sweety439
In base 8, the possible (first digit,last digit)...

In base 8, the possible (first digit,last digit) for an element with >=3 digits in the minimal set of the strings for primes with at least two digits are

(1,1), (1,3), (1,5), (1,7), (2,1), (2,3),...
Forum: Prime Wiki 2020-11-24, 03:39
Replies: 228
Sticky: Prime-Wiki
Views: 23,727
Posted By sweety439
10*338^n+1 at 300K with no prime found...

10*338^n+1 at 300K with no prime found (https://mersenneforum.org/showpost.php?p=564123&postcount=2205)
4*275^n-1 at 600K with no prime found...
Forum: sweety439 2020-11-23, 01:17
Replies: 10
Views: 276
Posted By sweety439
Puzzles: * Found all left truncatable primes...

Puzzles:

* Found all left truncatable primes in base b, for 2<=b<=256
* Found all right truncatable primes in base b, for 2<=b<=256
* Found all minimal primes in base b, for 2<=b<=256

(we...
Forum: sweety439 2020-11-23, 01:10
Replies: 10
Views: 276
Posted By sweety439
The bases such that all minimal primes are known...

The bases such that all minimal primes are known are 2-16, 18, 20, 22-24, 30, 42 and possible 60

The bases such that all left truncatable primes are known are 2-29, 31-35, 37-39, 41, 43, 47, 49,...
Forum: sweety439 2020-11-23, 00:26
Replies: 1,111
Views: 41,515
Posted By sweety439
Remain k for Riesel CK=1: Remain k for...

Remain k for Riesel CK=1:


Remain k for Riesel CK=2:


Remain k for Riesel CK=3:


Remain k for Riesel CK=4:
Forum: sweety439 2020-11-23, 00:25
Replies: 1,111
Views: 41,515
Posted By sweety439
Remain k for Sierpinski CK=1: Remain k...

Remain k for Sierpinski CK=1:


Remain k for Sierpinski CK=2:


Remain k for Sierpinski CK=3:


Remain k for Sierpinski CK=4:
Forum: sweety439 2020-11-23, 00:23
Replies: 1,111
Views: 41,515
Posted By sweety439
There are many bases that are proven:

There are many bases that are proven:
Forum: sweety439 2020-11-22, 08:52
Replies: 1,111
Views: 41,515
Posted By sweety439
Remain k for Riesel CK=1: Remain k for...

Remain k for Riesel CK=1:


Remain k for Riesel CK=2:


Remain k for Riesel CK=3:


Remain k for Riesel CK=4:
Forum: sweety439 2020-11-22, 08:51
Replies: 1,111
Views: 41,515
Posted By sweety439
Remain k for Sierpinski CK=1: Remain k...

Remain k for Sierpinski CK=1:


Remain k for Sierpinski CK=2:


Remain k for Sierpinski CK=3:


Remain k for Sierpinski CK=4:
Forum: sweety439 2020-11-22, 08:39
Replies: 1,111
Views: 41,515
Posted By sweety439
All Riesel conjectures with k=1 remain: 185, 269,...

All Riesel conjectures with k=1 remain: 185, 269, 281, 380, 384, 385, 394, 452, 465, 511, 574, 601, 631, 632, 636, 711, 713, 759, 771, 795, 861, 866, 881, 938, 948, 951, 956, 963, 1005, 1015,
All...
Forum: sweety439 2020-11-22, 08:38
Replies: 1,111
Views: 41,515
Posted By sweety439
All Sierpinski conjectures with k=1 remain: 31,...

All Sierpinski conjectures with k=1 remain: 31, 38, 50, 55, 62, 63, 67, 68, 77, 83, 86, 89, 91, 92, 97, 98, 99, 104, 107, 109, 122, 123, 127, 135, 137, 143, 144, 147, 149, 151, 155, 161, 168, 179,...
Forum: sweety439 2020-11-22, 08:33
Replies: 1,111
Views: 41,515
Posted By sweety439
Riesel conjectures with CK=2 with k=1 remain: ...

Riesel conjectures with CK=2 with k=1 remain:
Riesel conjectures with CK=3 with k=1 remain:
Riesel conjectures with CK=3 with k=2 remain:
Riesel conjectures with CK=4 with k=1 remain: 269,
Riesel...
Forum: sweety439 2020-11-22, 08:26
Replies: 1,111
Views: 41,515
Posted By sweety439
Sierpinski conjectures with CK=2 with k=1 remain:...

Sierpinski conjectures with CK=2 with k=1 remain:
Sierpinski conjectures with CK=3 with k=1 remain:
Sierpinski conjectures with CK=3 with k=2 remain:
Sierpinski conjectures with CK=4 with k=1...
Forum: sweety439 2020-11-21, 07:44
Replies: 13
Views: 459
Posted By sweety439
left-truncatable primes for bases up to 120...

left-truncatable primes for bases up to 120 (http://chesswanks.com/num/LTPs/)

right-truncatable primes for bases up to 90 (http://fatphil.org/maths/rtp/rtp.html)

minimal primes for bases up to...
Forum: sweety439 2020-11-21, 05:08
Replies: 1,111
Views: 41,515
Posted By sweety439
there are no Sierpinski bases with CK=6 with >= 2...

there are no Sierpinski bases with CK=6 with >= 2 k's remain
Forum: sweety439 2020-11-21, 05:08
Replies: 1,111
Views: 41,515
Posted By sweety439
the 2k Sierpinski bases with CK=5: S83 has...

the 2k Sierpinski bases with CK=5:

S83 has k=1 and k=3 remain
S155 has k=1 and k=4 remain
S467 has k=1 and k=4 remain
S611 has k=1 and k=4 remain
S683 has k=1 and k=3 remain
S731 has k=1 and...
Forum: sweety439 2020-11-21, 05:03
Replies: 1,111
Views: 41,515
Posted By sweety439
For the Sierpinski bases with CK=6: bases...

For the Sierpinski bases with CK=6:

bases 244, 454, 489, 1014 have k=1 remain
base 174 has k=4 remain
base 979 has k=3 remain

Other bases are proven.
Forum: sweety439 2020-11-21, 05:01
Replies: 1,111
Views: 41,515
Posted By sweety439
For the Sierpinski bases with CK=5: bases...

For the Sierpinski bases with CK=5:

bases 83, 107, 143, 155, 215, 227, 263, 287, 311, 347, 383, 407, 443, 467, 515, 563, 611, 635, 647, 671, 683, 707, 731, 743, 755, 767, 851, 887, 911, 923, 947,...
Forum: sweety439 2020-11-21, 04:57
Replies: 1,111
Views: 41,515
Posted By sweety439
For the Sierpinski bases with CK=4: bases...

For the Sierpinski bases with CK=4:

bases 89, 104, 149, 179, 269, 344, 359, 389, 404, 509, 524, 629, 659, 734, 749, 794, 809, 854, 899, 944, 974 have k=1 remain
bases 914 and 1004 have k=2 remain...
Forum: sweety439 2020-11-21, 04:52
Replies: 1,111
Views: 41,515
Posted By sweety439
For the Riesel bases with CK=6: R384 has k=1...

For the Riesel bases with CK=6:

R384 has k=1 remain
R489 has k=5 remain
R699 has k=3 remain

Other bases are proven.
Forum: sweety439 2020-11-21, 04:51
Replies: 1,111
Views: 41,515
Posted By sweety439
For the Riesel bases with CK=5: bases 347,...

For the Riesel bases with CK=5:

bases 347, 575, 587, 731 have k=3 remain
bases 275 and 647 have k=4 remain

Other bases are proven (an interesting one is R311, largest (probable) prime is...
Forum: sweety439 2020-11-21, 04:48
Replies: 1,111
Views: 41,515
Posted By sweety439
For the Riesel bases with CK=4: R269 has k=1...

For the Riesel bases with CK=4:

R269 has k=1 remain
R659 has k=3 remain
R1019 has k=2 remain

Other bases are proven.
Forum: sweety439 2020-11-21, 04:44
Replies: 1,111
Views: 41,515
Posted By sweety439
I have in fact completed all Sierpinski/Riesel...

I have in fact completed all Sierpinski/Riesel bases 2<=b<=1024 with CK<=13 to n=6000, since I have tested all k<=12 to all Sierpinski/Riesel bases 2<=b<=1024...
Forum: sweety439 2020-11-19, 03:39
Replies: 1,111
Views: 41,515
Posted By sweety439
Conjectured k for bases 2<=b<=2500 and b = 4096,...

Conjectured k for bases 2<=b<=2500 and b = 4096, 8192, 16384, 32768, 65536

Sierpinski...
Forum: sweety439 2020-11-19, 03:35
Replies: 1,111
Views: 41,515
Posted By sweety439
Newest status: S53 at 1.67M

Newest status: S53 at 1.67M
Showing results 1 to 25 of 1000

 
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