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Forum: Miscellaneous Math 2021-11-28, 09:54
Replies: 423
Views: 39,262
Posted By Dobri
Tucker Kao is ok in my book. He is currently...

Tucker Kao is ok in my book. He is currently ranked 111th among the top producers, see https://www.mersenne.org/report_top_500/, which means that he truly can get others to do the work on exponents...
Forum: Data 2021-11-25, 15:47
Replies: 8
Views: 245
Posted By Dobri
Same here, but with an ECM test, see M30047 and...

Same here, but with an ECM test, see M30047 and its smallest factor 5588743.
The composite factor found by the ECM test is 6086814009550243889 = 5588743 x 1089120399623.
It seems that if no one...
Forum: Miscellaneous Math 2021-11-25, 11:05
Replies: 423
Views: 39,262
Posted By Dobri
Further TF tests were carried out for M140419663...

Further TF tests were carried out for M140419663 because the PRP test was unsuccessful in generating a CERT file due to a peculiar failure to read from the residues file. Gladly, said TF tests...
Forum: Miscellaneous Math 2021-11-19, 10:57
Replies: 423
Views: 39,262
Posted By Dobri
Out of only 11 palindromic prime exponents in the...

Out of only 11 palindromic prime exponents in the 168,xxx,xxx range (M168151861, M168191861, M168232861, M168404861, M168505861, M168515861, M168565861, M168818861, ...
Forum: Miscellaneous Math 2021-11-16, 10:04
Replies: 423
Views: 39,262
Posted By Dobri
Fortuna, Goddess of Luck, the rival of Fate, the...

Fortuna, Goddess of Luck, the rival of Fate, the one who gives you a chance even if you have been factored out. Oops, I just named her... :smile:
Forum: Software 2021-11-15, 17:19
Replies: 138
Sticky: Prime95 30.7
Views: 11,516
Posted By Dobri
The TF problem is fixed indeed. Thank you, George.

The TF problem is fixed indeed. Thank you, George.
Forum: MattcAnderson 2021-11-15, 09:04
Replies: 3
Views: 119
Posted By Dobri
Here is a link to more fun facts about 142857,...

Here is a link to more fun facts about 142857, see https://en.wikipedia.org/wiki/142,857. :smile:
Forum: GpuOwl 2021-11-14, 05:33
Replies: 2,734
Views: 315,200
Posted By Dobri
AMD APP SDK was removed from AMD's official...

AMD APP SDK was removed from AMD's official website in 2018 because the required libraries are now included with the drivers, see https://en.wikipedia.org/wiki/AMD_APP_SDK.
Anyway, it still could be...
Forum: Software 2021-11-13, 20:23
Replies: 138
Sticky: Prime95 30.7
Views: 11,516
Posted By Dobri
Factor=N/A,229279313,73,74 ...

Factor=N/A,229279313,73,74
Factor=N/A,337654321,75,76
I tried with two different exponents to make sure that the exponent value is not an issue.
The test can run with v30.3b6 in Windows 11 but...
Forum: Software 2021-11-13, 19:52
Replies: 138
Sticky: Prime95 30.7
Views: 11,516
Posted By Dobri
Here is an update. I rolled back to v30.3b6 and...

Here is an update. I rolled back to v30.3b6 and the TF test is running properly in Windows 11.
Forum: Software 2021-11-13, 16:33
Replies: 138
Sticky: Prime95 30.7
Views: 11,516
Posted By Dobri
Thanks, your offer is appreciated, but I do not...

Thanks, your offer is appreciated, but I do not want anyone accusing me after that of diverting resources from the wavefront TF tests in the 229,xxx,xxx range. Also, the exponent in question is no...
Forum: Software 2021-11-13, 05:37
Replies: 138
Sticky: Prime95 30.7
Views: 11,516
Posted By Dobri
I do not have suitable GPUs for TF tests and use...

I do not have suitable GPUs for TF tests and use only prime95 mainly for PRP, LL, and P-1 tests.
Occasionally, I may run a TF test before a P-1 test.
Forum: Software 2021-11-13, 03:59
Replies: 138
Sticky: Prime95 30.7
Views: 11,516
Posted By Dobri
After upgrading Windows 10 to Windows 11, there...

After upgrading Windows 10 to Windows 11, there was no problem running LL and PRP tests with the prime95 app.
Then I attempted to run TF on M337654321 and v30.7b4 crashed.
The same happened after...
Forum: MattcAnderson 2021-11-12, 19:12
Replies: 11
Views: 291
Posted By Dobri
In our universe, we count in increments of 1 so...

In our universe, we count in increments of 1 so that

1 + 1 = 2 (counting),
1 + 1 => 3 (synergy, creation, or holistic approach, like two closed loops that have a joint edge form three closed...
Forum: Lounge 2021-11-11, 03:10
Replies: 5
Views: 483
Posted By Dobri
After upgrading to Windows 11, I noticed that...

After upgrading to Windows 11, I noticed that after adjusting browser windows next to each other, they can be viewed either individually or as a group from the taskbar so that one can minimize the...
Forum: GPU Computing 2021-11-05, 10:24
Replies: 10
Views: 386
Posted By Dobri
A review of GPU overclocking software ...

A review of GPU overclocking software
https://www.digitaltrends.com/computing/best-gpu-overclocking-software
Forum: Lounge 2021-11-04, 12:31
Replies: 270
Views: 34,234
Posted By Dobri
Howard Carter uncovered the tomb of Tutankhamen...

Howard Carter uncovered the tomb of Tutankhamen on Saturday, November 4, 1922.
https://en.wikipedia.org/wiki/Tutankhamun
Forum: Lounge 2021-11-04, 06:20
Replies: 4,400
Views: 375,981
Posted By Dobri
https://nypost.com/2021/11/01/bat-named-bird-of-th...

https://nypost.com/2021/11/01/bat-named-bird-of-the-year-2021-in-controversial-decision
Forum: Lounge 2021-11-02, 22:07
Replies: 270
Views: 34,234
Posted By Dobri
My Raspberry Pi 4B device took 234.639 and...

My Raspberry Pi 4B device took 234.639 and 258.125 milliseconds (respectively) to do an LL on said exponents.
All this was done with the Wolfram Mathematica interpreter without compilation.
(*...
Forum: Lounge 2021-11-02, 21:01
Replies: 270
Views: 34,234
Posted By Dobri
Exactly 60 years ago, on Friday, 3 November 1961,...

Exactly 60 years ago, on Friday, 3 November 1961, Alexander Hurwitz discovered two Mersenne primes on the same day with an IBM 7090 computer, see prime exponents M4253 and M4423.
Forum: Miscellaneous Math 2021-11-02, 16:17
Replies: 423
Views: 39,262
Posted By Dobri
GeForce 3090 Ti will be power hungry with thermal...

GeForce 3090 Ti will be power hungry with thermal design power (TDP) of 450W.
GeForce 4090 is estimated to have TDP within the range of 420-460W.
For home use, one could choose GeForce 3090...
Forum: Lounge 2021-11-01, 13:21
Replies: 42
Views: 927
Posted By Dobri
Anyway, the travel restriction could make them...

Anyway, the travel restriction could make them think that they are living on some kind of a curved surface, not necessarily a sphere.
Forum: Lounge 2021-11-01, 13:10
Replies: 42
Views: 927
Posted By Dobri
The only issue with this human approach is that...

The only issue with this human approach is that on the Moon the Sun shines for two weeks during the lunar day so one has to wait quite some time to observe the shortest tip of the shadow.
Forum: Lounge 2021-10-31, 21:42
Replies: 42
Views: 927
Posted By Dobri
Earth's equatorial circumference = 40,075.017 km,...

Earth's equatorial circumference = 40,075.017 km, (40,075.017 × 7.2)/360 = 801.5 km, which is the estimated distance between Aswan (Syene) and Alexandria (the actual distance is 843 km), and
Moon's...
Forum: Probability & Probabilistic Number Theory 2021-10-31, 11:52
Replies: 13
Views: 1,259
Posted By Dobri
It seems that the $620 reward is concerned with...

It seems that the $620 reward is concerned with the PSW conjecture but not the BPSW conjecture, see https://en.wikipedia.org/wiki/John_Selfridge#Selfridge's_Conjecture_about_Primality_Testing....
Showing results 1 to 25 of 235

 
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