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 Showing results 1 to 15 of 15 Search took 0.01 seconds. Search: Posts Made By: Alex
 Forum: Riesel Prime Search 2021-11-27, 20:35 Replies: 69 Views: 10,338 Posted By Alex 9993*10^n-1 (Near Repdigit) Hello. I hope, its a suitable thread for new posts. Im working on 9993*10^n-1 (Near Repdigit) with n=[1..10.000.000]. The range was sieved up to p=1e14. I use Sr1sieve, PFGW, LLR. Now it...
 Forum: Twin Prime Search 2021-11-02, 12:45 Replies: 261 Views: 56,540 Posted By Alex k = 115059, 118305, 126423 upto n = 200K Gary, Ive doublechecked and tested k = 115059, 118305, 126423 (they are near my ranges) upto n = 200K. No new twins. Ive found only 1 Proth prime (~4500 Proth-Riesel pairs of candidates were...
 Forum: Proth Prime Search 2021-10-31, 13:32 Replies: 6 Views: 1,184 Posted By Alex I have 8 active projects now (AP, xGF, Mersenne... I have 8 active projects now (AP, xGF, Mersenne GPU TF, Near-repdigit, Proth, Pierpont, SG) and report news in suitable thread, when pass a milestone or discover a new prime. So see you soon :smile:
 Forum: Twin Prime Search 2021-10-31, 13:09 Replies: 261 Views: 56,540 Posted By Alex k = 110.001 - 119.999, n = 110.001 - 120.000, twins = 0 Hello. Ive finished the range k = 110.001 - 119.999 & n = 110.001 - 120.000 for http://prothsearch.com last year (xGF). 1181 Proth primes were found. Now Ive checked them to k*2^n-1 : no twins...
 Forum: Proth Prime Search 2021-10-15, 10:16 Replies: 6 Views: 1,184 Posted By Alex Sure. So there is no word "proth" in the first... Sure. So there is no word "proth" in the first post.
 Forum: Proth Prime Search 2021-10-14, 09:27 Replies: 6 Views: 1,184 Posted By Alex Hello, bur. I myself accidentally found out... Hello, bur. I myself accidentally found out about Pierpont primes looking someone's old results page. 3^39 is max < 2^63. When I discovered a new Proth prime (P), I check a lot of possible...
 Forum: Proth Prime Search 2021-10-09, 15:34 Replies: 6 Views: 1,184 Posted By Alex 4052555153018976267*2^n+1 (Pierpont 3^39*2^n+1) Hello. Im working on 4052555153018976267*2^n+1 (Pierpont 3^39*2^n+1) with n=[1..10.000.000]. The range was sieved up to p=114e12. I use Sr1sieve, PFGW, LLR. Now it is checked n=[1..1.000.000]...
 Forum: Proth Prime Search 2021-09-23, 14:53 Replies: 8 Views: 2,590 Posted By Alex Thank you, bur. I have finished my range: ... Thank you, bur. I have finished my range: 1000039*2^n+1 with n=[1..2.000.000] Totally passed 15.825 tests. Confirmed 7 old primes and found 1 new :-) 1000039*2^382+1 is prime! (121 decimal...
 Forum: Proth Prime Search 2021-08-03, 13:59 Replies: 8 Views: 2,590 Posted By Alex Hello. Yesterday Ive got a new result... Hello. Yesterday Ive got a new result beautiful enough: 1000039*2^1721722+1 is prime! (518296 decimal digits) Time : 1944.927 s. - Found in 2021 (P420 code)...
 Forum: Proth Prime Search 2021-03-23, 12:54 Replies: 8 Views: 2,590 Posted By Alex Thank you, rogue. Thank you, bur. Ive... Thank you, rogue. Thank you, bur. Ive chosen k=1000039 because it is wellsieved. For the comparison sieving n=[1..1000000] up to p<1e6: k=1000039 has 16891 candidates k=1281979 has 39706...
 Forum: Proth Prime Search 2021-03-15, 22:02 Replies: 8 Views: 2,590 Posted By Alex 1000039*2^n+1 Hello. Im working on 1000039*2^n+1 with n=[1..2.000.000] (k=1.000.039 is wellsieved). Now it was passed n=[1..1.000.000] (8150 tests). 1000039*2^382+1 is prime! (121 decimal digits) Time :...
 Forum: Marin's Mersenne-aries 2020-08-17, 21:43 Replies: 43 Views: 17,987 Posted By Alex #1 and #2 - are both about users consents to... #1 and #2 - are both about users consents to switch type of work. Surelly, they should manually upgrade their software. #3 - They are George`s projects, surelly only he must decide to.
 Forum: Marin's Mersenne-aries 2020-08-17, 19:17 Replies: 43 Views: 17,987 Posted By Alex Hi. I have several ideas. 1) How to obtain... Hi. I have several ideas. 1) How to obtain the consent of users to upgrade their software. We all have the page "View the CPU's in your account" (https://www.mersenne.org/cpus/) The consent...
 Forum: Lounge 2020-08-15, 11:54 Replies: 11 Views: 6,066 Posted By Alex Upto 100% for ordinary exponent, because thit is... Upto 100% for ordinary exponent, because thit is better than Double-check. Perhaps, the same price for each next factor of the same exponent, because this may be the only way to full factoring. ...
 Forum: Conjectures 'R Us 2020-08-14, 19:08 Replies: 4 Views: 4,390 Posted By Alex Hi. I'm working on 9993 * 10 ^ n - 1. ... Hi. I'm working on 9993 * 10 ^ n - 1. Reserved n upto 10M Sieved to 40T Checked n upto 358k+ New prime found: 9993 * 10 ^ 237822 - 1 Where should I report it now and next?
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