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Forum: sweety439 2022-08-13, 20:40
Replies: 376
Views: 53,884
Posted By sweety439
For the interest of "greatest prime factor ^2-1"...

For the interest of "greatest prime factor ^2-1" sequences:

* N-1 primality proving (https://primes.utm.edu/prove/prove3_1.html)
* N+1 primality proving...
Forum: sweety439 2022-08-13, 20:35
Replies: 376
Views: 53,884
Posted By sweety439
Some interesting sequences: (since I have a...

Some interesting sequences: (since I have a conjecture that the sum of all minimal primes (start with b+1) base b is always in https://oeis.org/A063538, i.e. it must have a prime factor >= its square...
Forum: sweety439 2022-08-13, 20:22
Replies: 376
Views: 53,884
Posted By sweety439
Integers b>=2 sorted by A062955...

Integers b>=2 sorted by A062955 (https://oeis.org/A062955)(b):

2 (1), 3 (4), 4 (6), 6 (10), 5 (16), 8 (28), 7&10 (36), 12 (44), 9 (48), 14 (78), 11 (100), 18 (102), 15 (112), 16 (120), 13 (144),...
Forum: sweety439 2022-08-13, 17:17
Replies: 376
Views: 53,884
Posted By sweety439
The base 19 unsolved family 5{H}5 is very low...

The base 19 unsolved family 5{H}5 is very low weight (https://www.rieselprime.de/ziki/Nash_weight) (or difficulty (https://stdkmd.net/nrr/prime/primedifficulty.txt)) but eventually should yield a...
Forum: sweety439 2022-08-13, 14:32
Replies: 46
Views: 7,930
Posted By sweety439
27205 <-- removed Windows version of Primo...

27205 <-- removed
Windows version of Primo (http://www.ellipsa.eu/public/primo/primo.html)

(the Linux version of Primo in that page has 31.3 MB and too large to be posted here)

MOD WARNING: DO...
Forum: Aliquot Sequences 2022-08-13, 14:24
Replies: 164
Views: 55,077
Posted By sweety439
http://factordb.com/sequences.php?se=1&aq=276&acti...

http://factordb.com/sequences.php?se=1&aq=276&action=last20&fr=0&to=100

Now https://oeis.org/A008892 can be extended to n=2145 and https://oeis.org/A347769 can be extended to n=2708, can someone...
Forum: sweety439 2022-08-13, 13:19
Replies: 376
Views: 53,884
Posted By sweety439
Base 30 is proven except the primality of the...

Base 30 is proven except the primality of the large strong probable prime I(0^24608)D
Base 36 is searched to length 20000
Forum: sweety439 2022-08-13, 13:16
Replies: 376
Views: 53,884
Posted By sweety439
Base 20 is proven (including the primality of the...

Base 20 is proven (including the primality of the primes)
Base 21 is searched to length 20000
Base 22 is proven except the primality of the large strong probable prime B(K^22001)5
Base 23 is now...
Forum: sweety439 2022-08-13, 13:13
Replies: 376
Views: 53,884
Posted By sweety439
Results for bases b>16 Base 17 is searched...

Results for bases b>16

Base 17 is searched to length 32100
Base 18 is proven (including the primality of the primes)
Base 19 is searched to length 20000
Forum: sweety439 2022-08-13, 13:06
Replies: 46
Views: 7,930
Posted By sweety439
Cached copy version for Didier Boivin's word file...

Cached copy version for Didier Boivin's word file in http://www.primenumbers.net/Henri/us/NouvP1us.htm
Forum: sweety439 2022-08-13, 13:05
Replies: 46
Views: 7,930
Posted By sweety439
Cached copy version for Andrew Rupinsiki's...

Cached copy version for Andrew Rupinsiki's solution for puzzle 178 (https://www.primepuzzles.net/puzzles/puzz_178.htm) (although the solutions are not correct, the correct solutions are here...
Forum: sweety439 2022-08-10, 18:56
Replies: 376
Views: 53,884
Posted By sweety439
For the smallest flexible primes base b with...

For the smallest flexible primes base b with given d dividing b-1:


4,3,2
5,4,2
6,5,2
7,3,3
7,6,2
8,7,3
9,4,2
Forum: FactorDB 2022-08-10, 15:44
Replies: 577
Views: 110,769
Posted By sweety439
I found two differences: 1. See...

I found two differences:

1. See https://archive.ph/ayAkD and https://archive.ph/jt0sk, there is an additional “Tests” column

2. See https://archive.ph/K22Dc and https://archive.ph/Z2Kut, some...
Forum: FactorDB 2022-08-10, 15:39
Replies: 577
Views: 110,769
Posted By sweety439
It seems to be this number...

It seems to be this number (http://factordb.com/index.php?id=1100000000646133808), with 23770 digits
Forum: sweety439 2022-08-09, 13:45
Replies: 13
Views: 843
Posted By sweety439
For odd prime q, 2^q-1 is Phi(q,2), and (2^q+1)/3...

For odd prime q, 2^q-1 is Phi(q,2), and (2^q+1)/3 is Phi(2*q,2), and p divides Phi(n,2) if and only if order(2,p) = n, and order(2,p) = 2 if and only if (p-1)/n is the largest m dividing p-1 such...
Forum: sweety439 2022-08-08, 17:22
Replies: 1,276
Views: 111,782
Posted By sweety439
S25 k=71 at n=24K, no prime or PRP found

S25 k=71 at n=24K, no prime or PRP found
Forum: sweety439 2022-08-08, 13:27
Replies: 13
Views: 843
Posted By sweety439
this page for New Mersenne Conjecture...

this page for New Mersenne Conjecture (http://www.hoegge.dk/mersenne/NMC.html) needs to be updated
Forum: Software 2022-08-08, 12:15
Replies: 7
Views: 466
Posted By sweety439
This is indeed the P+1 integer factorization...

This is indeed the P+1 integer factorization method, click the link in my post #2 to see what is this
Forum: Software 2022-08-08, 11:31
Replies: 7
Views: 466
Posted By sweety439
Do you mean N+1 primality proving method...

Do you mean N+1 primality proving method (https://primes.utm.edu/prove/prove3_2.html) or P+1 integer factorization method (https://en.wikipedia.org/wiki/Williams%27s_p_%2B_1_algorithm)?
Forum: Aliquot Sequences 2022-08-07, 08:29
Replies: 3,706
Views: 451,250
Posted By sweety439
Now 276 is at index 2140 with size 213

Now 276 is at index 2140 with size 213
Forum: sweety439 2022-08-07, 03:05
Replies: 1,276
Views: 111,782
Posted By sweety439
All 1k bases (I have a plan to reserve all of...

All 1k bases (I have a plan to reserve all of them to 20K+ or 30K+)


base remain k test limit of n
S12 12 33.55M
S18 18 33.55M
S25 71 10K
S32 4 1.717G
S37 37 524K...
Forum: sweety439 2022-08-07, 02:46
Replies: 1,276
Views: 111,782
Posted By sweety439
S103 k=7 at n=22000, no primes or PRPs

S103 k=7 at n=22000, no primes or PRPs
Forum: sweety439 2022-08-06, 14:22
Replies: 13
Views: 843
Posted By sweety439
See https://oeis.org/A005849, the numbers n such...

See https://oeis.org/A005849, the numbers n such that n*2^n+1 is prime (Cullen prime), there is no single known prime term, even worse, all known terms except 1 and 6611 are divisible by either 2 or...
Forum: sweety439 2022-08-06, 13:04
Replies: 13
Views: 843
Posted By sweety439
Are there any interest to extend the sequence...

Are there any interest to extend the sequence https://oeis.org/A275530?
Forum: NFS@Home 2022-08-06, 12:45
Replies: 469
Views: 59,826
Posted By sweety439
Hi, Can I request NFS@home to factor...

Hi,

Can I request NFS@home to factor 13^282+1 and 13^288+1, using SNFS?
Showing results 1 to 25 of 1000

 
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