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 2022-05-16, 08:14 #1607 kruoli     "Oliver" Sep 2017 Porta Westfalica, DE 5·11·19 Posts Added 133936 : 325*2^2890955-1 (870267 digits)
 2022-05-18, 04:25 #1608 Chigoma333     "Yuhma" Mar 2021 Germany 2·5 Posts 333*2^4846958-1 is prime! (1459083 decimal digits) My First Prime Last fiddled with by Chigoma333 on 2022-05-18 at 04:26
 2022-05-18, 04:55 #1609 Luminescence   Oct 2021 Germany 11100012 Posts Added 133945 : 465*2^1847589-1 (556183 digits)
2022-05-18, 05:02   #1610
gd_barnes

May 2007
Kansas; USA

2×3×17×107 Posts

Quote:
 Originally Posted by Chigoma333 333*2^4846958-1 is prime! (1459083 decimal digits) My First Prime

A HUGE congrats on your first prime and what an extraordinary one it is!

It is the largest prime ever found by NPLB by almost 600,000 digits!! It enters the top-5000 list ranked #303!

I take it by your ID and search effort that 333 is your lucky number.

 2022-05-22, 05:08 #1611 Luminescence   Oct 2021 Germany 1618 Posts Added 133959 : 429*2^1856373-1 (558827 digits) Added 133960 : 525*2^1856834-1 (558966 digits) I also "found" the known prime 435*2^1853363-1 which is already listed in T5k
 2022-05-25, 07:49 #1612 gd_barnes     May 2007 Kansas; USA 2·3·17·107 Posts Max found: 889*2^1715909-1 is prime
 2022-05-25, 10:27 #1613 gd_barnes     May 2007 Kansas; USA 2×3×17×107 Posts 321*2^2946654-1 is prime! My first top-5000 prime on this drive.
 2022-05-26, 06:18 #1614 gd_barnes     May 2007 Kansas; USA 1091410 Posts They come in pairs... 303*2^2949403-1 is prime!
 2022-05-26, 18:27 #1615 brucemoreg     May 2022 7 Posts My 1st prime is Top 5000 :) :) :) I've only been working on discovering prime numbers since Jan 2021 NPLB port 9000, k=400-600, n=1M-2M Starting Lucas Lehmer Riesel prime test of 435*2^1857332-1 Using AMD K10 FFT length 128K, Pass1=128, Pass2=1K V1 = 9 ; Computing U0...done. 435*2^1857332-1 is prime! (559116 decimal digits) Time : 1376.078 sec. [2022-05-20 06:36:49 PDT] G9000: 435*2^1857332-1 is prime [2022-05-20 06:36:49 PDT] Total Time: 42:52:56 Total Work Units: 114 Special Results Found: 1
2022-05-26, 19:48   #1616
gd_barnes

May 2007
Kansas; USA

2·3·17·107 Posts

Quote:
 Originally Posted by brucemoreg I've only been working on discovering prime numbers since Jan 2021 NPLB port 9000, k=400-600, n=1M-2M Starting Lucas Lehmer Riesel prime test of 435*2^1857332-1 Using AMD K10 FFT length 128K, Pass1=128, Pass2=1K V1 = 9 ; Computing U0...done. 435*2^1857332-1 is prime! (559116 decimal digits) Time : 1376.078 sec. [2022-05-20 06:36:49 PDT] G9000: 435*2^1857332-1 is prime [2022-05-20 06:36:49 PDT] Total Time: 42:52:56 Total Work Units: 114 Special Results Found: 1
Congrats on your first top-5000 prime!

 2022-05-27, 06:55 #1617 odicin   Sep 2011 Potsdam, Germany 100010012 Posts Added 133982 : 993*2^1717566-1 (517042 digits) on port 2000

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