mersenneforum.org Search Results
 Register FAQ Search Today's Posts Mark Forums Read

 Showing results 1 to 25 of 1000 Search took 0.20 seconds. Search: Posts Made By: sweety439
 Forum: Conjectures 'R Us 2020-08-08, 15:52 Replies: 126 Views: 14,537 Posted By sweety439 (370*8^8300+1)/gcd(370+1,8-1) is (probable) prime... (370*8^8300+1)/gcd(370+1,8-1) is (probable) prime Update the correct file for S8 k<=1024
 Forum: sweety439 2020-08-08, 07:00 Replies: 934 Views: 27,981 Posted By sweety439 The records of the n are: (GFNs and half GFNs are... The records of the n are: (GFNs and half GFNs are excluded) S2: 3 (1) 7 (2) 12 (3) 19 (6) 31 (8) 47 (583)
 Forum: sweety439 2020-08-08, 06:36 Replies: 934 Views: 27,981 Posted By sweety439 Status for 2<=b<=128 and 1<=k<=128: ... Status for 2<=b<=128 and 1<=k<=128: Sierpinski (https://en.wikipedia.org/w/index.php?title=Wikipedia:Sandbox&oldid=969796463) (k*b^n+1)/gcd(k+1,b-1) Riesel...
 Forum: sweety439 2020-08-08, 06:30 Replies: 934 Views: 27,981 Posted By sweety439 This b must be >=2, and the b=2 case is the... This b must be >=2, and the b=2 case is the original Sierpinski/Riesel problems, this project extend these Sierpinski/Riesel problems to bases b>2
 Forum: sweety439 2020-08-07, 16:01 Replies: 934 Views: 27,981 Posted By sweety439 k's with algebra factors for Sierpinski/Riesel... k's with algebra factors for Sierpinski/Riesel base b=2^n with 9<=n<=16: S512: all k = m^3 S1024: all k = m^5 S2048: all k = m^11 S4096: all k = m^3 and all k = 4*m^4 S8192: all k = m^13...
 Forum: Conjectures 'R Us 2020-08-07, 15:52 Replies: 126 Views: 14,537 Posted By sweety439 There are pages shown the status (including the... There are pages shown the status (including the test limit) for the conjectures of (k*b^n+-1)/gcd(k+-1,b-1) (+ for Sierpinski, - for Riesel) with bases 2<=b<=128 and b=256, 512, 1024 Sierpinski...
 Forum: Conjectures 'R Us 2020-08-07, 15:47 Replies: 126 Views: 14,537 Posted By sweety439 OK, but see the GitHub page... OK, but see the GitHub page https://github.com/xayahrainie4793/first-4-Sierpinski-Riesel-conjectures, there are too many "NA" in these files, however I an give you the test limit for some bases: ...
 Forum: sweety439 2020-08-06, 12:34 Replies: 934 Views: 27,981 Posted By sweety439 Update files to include SR100, SR512, SR1024 ... Update files to include SR100, SR512, SR1024 the (probable) prime (469*100^4451-1)/gcd(469-1,100-1) is given by https://stdkmd.net/nrr/prime/primedifficulty.txt (the form 521w) Also see the...
 Forum: Conjectures 'R Us 2020-08-06, 08:28 Replies: 126 Views: 14,537 Posted By sweety439 These are the status for the first 4 conjectures... These are the status for the first 4 conjectures for SR32 and SR128 (I only update the power-of-2 bases here, since they are more interesting, for more SR bases, see the files in post...
 Forum: sweety439 2020-08-06, 08:25 Replies: 934 Views: 27,981 Posted By sweety439 Status for the first 4 Sierpinski/Riesel... Status for the first 4 Sierpinski/Riesel conjectures (added R100 and R512, R1024 is still running .... now running for k=91)
 Forum: sweety439 2020-08-06, 06:43 Replies: 934 Views: 27,981 Posted By sweety439 Using the Riesel side as an example: 1. n... Using the Riesel side as an example: 1. n must be >= 1 for all k 2. If (k*b^n-1)/gcd(kb-1,b-1) where n=1 is prime than k*b (i.e. MOB) will need a different prime because this prime would be...
 Forum: sweety439 2020-08-06, 04:03 Replies: 934 Views: 27,981 Posted By sweety439 These are the conjectured first 4... These are the conjectured first 4 Sierpinski/Riesel numbers, for the power-of-2 bases searched up to b=2^16
 Forum: sweety439 2020-08-06, 03:44 Replies: 934 Views: 27,981 Posted By sweety439 All Sierpinski/Riesel bases listed "NA" have CK >... All Sierpinski/Riesel bases listed "NA" have CK > 5M (i.e. 5M is the lower bound for these Sierpinski/Riesel bases) upper bounds for these Sierpinski/Riesel bases <= 600: S66: 21314443 (if not...
 Forum: sweety439 2020-08-06, 03:25 Replies: 934 Views: 27,981 Posted By sweety439 searched to base 256 (also base 512, 1024, 2048,... searched to base 256 (also base 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536)
 Forum: sweety439 2020-08-05, 03:41 Replies: 934 Views: 27,981 Posted By sweety439 These are the conjectures in the thread... These are the conjectures in the thread https://mersenneforum.org/showthread.php?t=11061 (conjectured smallest prime Sierpinski/Riesel numbers), for the extended Sierpinski/Riesel conjectures...
 Forum: Conjectures 'R Us 2020-08-05, 00:11 Replies: 6 Views: 2,304 Posted By sweety439 Found more CK: Prime Sierpinski: ... Found more CK: Prime Sierpinski: b,CK 2,271129 4,271129 6,282001 8,47
 Forum: Riesel Prime Search 2020-08-04, 23:52 Replies: 27 Views: 4,900 Posted By sweety439 Also see post... Also see post https://mersenneforum.org/showpost.php?p=138737&postcount=24, some forms like 25*12^n-1 and 144*19^n-1 have zero weight. 25*12^n-1: for even n let n = 2*q; factors to: ...
 Forum: Riesel Prime Search 2020-08-04, 23:48 Replies: 27 Views: 4,900 Posted By sweety439 See page... See page https://www.rieselprime.de/ziki/Riesel_k%3D1-300, 9*2^n-1 has Nash weight 1674, and 25*2^n-1 has Nash weight 1571
 Forum: sweety439 2020-08-03, 23:47 Replies: 934 Views: 27,981 Posted By sweety439 Also, (for Riesel k=64) Bases 235, 748,... Also, (for Riesel k=64) Bases 235, 748, 1261, 1774, 2287, 2800, 3313, 3826, 4339, 4852, 5365, 5878, 6391, 6904, 7417, 7930, 8443, 8956, 9469, 9982, ...: n == 1 mod 3: factor of 3, n == 2 mod 3:...
 Forum: Conjectures 'R Us 2020-07-31, 05:26 Replies: 126 Views: 14,537 Posted By sweety439 Remain k's: S8: 256 (GFN, at... Remain k's: S8: 256 (GFN, at n=(2^33-8)/3-1), 370 (extended, corresponding number should be divided by 7 to get a prime since 370*8^n+1 has trivial factor of 7, at n=10K), 467 (at n=833333 due to...
 Forum: sweety439 2020-07-31, 05:12 Replies: 934 Views: 27,981 Posted By sweety439 The reason for why S8 k=27, S16 k=4, R4 k=1, R8... The reason for why S8 k=27, S16 k=4, R4 k=1, R8 k=1, R16 k=1, R27 k=1, R36 k=1 are excluded from the conjectures is the same as the reason for why in CRUS conjectures, R12 k=1, R14 k=1, R18 k=1, R20...
 Forum: Conjectures 'R Us 2020-07-30, 15:30 Replies: 126 Views: 14,537 Posted By sweety439 Update the status file for: SR8, R9: k<=1024... Update the status file for: SR8, R9: k<=1024 S12: k<=1143 (the 3rd CK) R12: k<=1288 (the 3rd CK) SR8 skipped the cube k's and the k's having covering set {3, 5, 13} (i.e. for S8, k == 47, 79,...
 Forum: sweety439 2020-07-30, 14:54 Replies: 934 Views: 27,981 Posted By sweety439 Extended Sierpinski problem base b: Finding... Extended Sierpinski problem base b: Finding and proving the smallest k>=1 such that (k*b^n+1)/gcd(k+1,b-1) is not prime for all integers n>=1. (k-values that make a full covering set with all or...
 Forum: Conjectures 'R Us 2020-07-28, 22:25 Replies: 126 Views: 14,537 Posted By sweety439 R9 k=386 and 744 tested to n=25K, no primes... R9 k=386 and 744 tested to n=25K, no primes found, see post https://mersenneforum.org/showpost.php?p=490301&postcount=663 S12 k<1143 (3rd CK) tested to 25K, see...
 Forum: Prime Wiki 2020-07-28, 17:10 Replies: 197 Sticky: Prime-Wiki Views: 14,400 Posted By sweety439 In Riesel prime 5110664609396115... In Riesel prime 5110664609396115 (https://www.rieselprime.de/ziki/Riesel_prime_5110664609396115), n=143 is also Sophie Germain (not only n=34944 and 34945) Done.
 Showing results 1 to 25 of 1000

All times are UTC. The time now is 18:37.

Sat Aug 8 18:37:03 UTC 2020 up 22 days, 14:23, 1 user, load averages: 1.50, 1.64, 1.61