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 Showing results 1 to 25 of 1000 Search took 0.27 seconds. Search: Posts Made By: sweety439
 Forum: sweety439 2022-08-13, 20:40 Replies: 376 Views: 50,203 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: 50,203 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: 50,203 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: 50,203 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: 7,650 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: 54,113 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: 50,203 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: 50,203 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: 50,203 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: 7,650 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: 7,650 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: 50,203 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: 573 Views: 108,620 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: 573 Views: 108,620 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: 553 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: 109,187 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: 553 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: 296 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: 296 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: 3,699 Views: 443,602 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: 109,187 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: 109,187 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: 553 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: 553 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: 465 Views: 59,134 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?
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