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Search: Posts Made By: ATH
Forum: Marin's Mersenne-aries 2022-05-14, 23:43
Replies: 11
Views: 69,218
Posted By ATH
Aaron had taken all except 1 which I took: ...

Aaron had taken all except 1 which I took:
DoubleCheck=74191027,74,1
Forum: FermatSearch 2022-05-14, 02:00
Replies: 14
Views: 7,212
Posted By ATH
Amazing work Ernst on those cofactor tests...

Amazing work Ernst on those cofactor tests specifically the latter ones. You had the patience for those multiyear tests, as well as all the work on MLucas to make it happen.

I assume the...
Forum: Data 2022-05-13, 14:28
Replies: 134
Views: 8,075
Posted By ATH
User "One Man" is working the 38K range, I will...

User "One Man" is working the 38K range, I will switch to 40K-50K, still only unfactored and those with low P-1 bounds.
Forum: Marin's Mersenne-aries 2022-05-09, 15:15
Replies: 797
Views: 132,427
Posted By ATH
Took: Cat 1 DoubleCheck=61569227,74,1 ...

Took:
Cat 1
DoubleCheck=61569227,74,1
DoubleCheck=61618247,76,1

Higher level
DoubleCheck=67850921,75,1

Cat 3
DoubleCheck=63370907,74,1
Forum: Marin's Mersenne-aries 2022-05-07, 00:17
Replies: 797
Views: 132,427
Posted By ATH
Took the rest: Cat 1 ...

Took the rest:

Cat 1
DoubleCheck=61440143,74,1

Cat 2
DoubleCheck=62772691,74,1
DoubleCheck=62966941,75,1
DoubleCheck=63202213,74,1
DoubleCheck=63355147,74,1
Forum: And now for something completely different 2022-05-06, 23:17
Replies: 74
Views: 2,743
Posted By ATH
So 71 years of CPU time for 51,000 digits vs 20...

So 71 years of CPU time for 51,000 digits vs 20 months * 64 cores ~ 107 years of CPU time for 49,081 digits.
But depends on how comparable those CPU core years are.

51,000 digits is supposed to...
Forum: Information & Answers 2022-05-03, 19:01
Replies: 11
Views: 557
Posted By ATH
Unless you are very skilled at programming in...

Unless you are very skilled at programming in assembly language and programming Fast Fourier transforms, your program is most likely at least 10 times slower than mprime, so unless you spent months...
Forum: Marin's Mersenne-aries 2022-05-03, 16:00
Replies: 797
Views: 132,427
Posted By ATH
Took last one but cannot register it: ...

Took last one but cannot register it:
PRP=1,2,65407609,-1 OR DoubleCheck=65407609,76,1
Forum: Marin's Mersenne-aries 2022-04-29, 06:33
Replies: 797
Views: 132,427
Posted By ATH
One was already finished the rest has been taken...

One was already finished the rest has been taken by Aaron. I removed them.
Forum: Data 2022-04-24, 00:20
Replies: 134
Views: 8,075
Posted By ATH
I'm working in the 30K-40K range, but only doing...

I'm working in the 30K-40K range, but only doing unfactored exponents and only those with low P-1 bounds compared to the average in the range.
Forum: Marin's Mersenne-aries 2022-04-22, 22:09
Replies: 797
Views: 132,427
Posted By ATH
Took them all, I cannot register 65407729 on the...

Took them all, I cannot register 65407729 on the server finishing that first.

Cat 1
DoubleCheck=61382719,74,1

Cat 2
DoubleCheck=63175423,75,1
DoubleCheck=63344639,74,1...
Forum: GpuOwl 2022-04-20, 15:55
Replies: 34
Views: 1,846
Posted By ATH
Something must be wrong then because when I get...

Something must be wrong then because when I get an A100 rarely on Google Colab Pro+ with gpuowl I'm getting 389µs on a ~109.8M exponent 6M FFT (and 600µs on a V100).
Forum: Software 2022-04-20, 02:40
Replies: 561
Views: 40,612
Posted By ATH
Thanks, yes it was "cost function" I mistook for...

Thanks, yes it was "cost function" I mistook for the credit calculation.
Forum: Software 2022-04-20, 00:13
Replies: 561
Views: 40,612
Posted By ATH
Yeah I know, but I thought I read that the...

Yeah I know, but I thought I read that the formula was improved a bit in the most recent builds of 30.8 ?
Forum: Software 2022-04-19, 16:52
Replies: 561
Views: 40,612
Posted By ATH
Is the formula for GHz-Days based on the version...

Is the formula for GHz-Days based on the version number in the json result file?

I finished some P-1 back in January that I did not turn in, because the rewards was off the charts broken, I turned...
Forum: Dobri 2022-04-17, 22:23
Replies: 26
Views: 1,593
Posted By ATH
Yes they have the smallest factor 2kp+1 with k=1,...

Yes they have the smallest factor 2kp+1 with k=1, so they were found back in ~1996 (or 2008 when the range extended to 1 billion). No "elementary" tricks will improve on a project running for 25-26...
Forum: Marin's Mersenne-aries 2022-04-17, 21:01
Replies: 797
Views: 132,427
Posted By ATH
Took: Cat 3 DoubleCheck=63383597,74,1 ...

Took:

Cat 3
DoubleCheck=63383597,74,1

Exponents with 1 LL + 1 PRP result: (may include exponents waiting for vdf file upload)
PRP=1,2,97999427,-1 OR DoubleCheck=97999427,78,1
Forum: Data 2022-04-17, 20:50
Replies: 1,401
Views: 174,163
Posted By ATH
Congratulations!!! :grin: As you said the...

Congratulations!!! :grin:

As you said the "title project" will finish on its own over time, current status: 20,422,960 unfactored exponents

Based on the speed of the last 365 days with 201558...
Forum: Prime Gap Searches 2022-04-17, 18:18
Replies: 109
Views: 30,940
Posted By ATH
29*479909#/9699690-3531714+0 is 2-PRP!...

29*479909#/9699690-3531714+0 is 2-PRP! (1377.0026s+0.2389s)
29*479909#/9699690-3531714+0 is 31-PRP! (1406.6504s+0.2672s)
29*479909#/9699690-3531714+0 is 61-PRP! (1324.6448s+0.3519s)...
Forum: Prime Gap Searches 2022-04-13, 09:33
Replies: 109
Views: 30,940
Posted By ATH
6966714: In this thread post #76 and #66

6966714: In this thread post #76 and #66
Forum: Prime Gap Searches 2022-04-11, 16:02
Replies: 109
Views: 30,940
Posted By ATH
https://primegap-list-project.github.io/lists/top2...

https://primegap-list-project.github.io/lists/top20-gaps-by-size/

Why is it (and many of the other top gaps) listed as ??? instead of PRP? Both endpoints are both Lucas PRPs and SPRPs to many...
Forum: Miscellaneous Math 2022-04-09, 20:14
Replies: 0
Views: 154
Posted By ATH
OEIS Goldbach sequences

Just noticed these 2 sequences related to the Goldbach conjecture had 67 and 69 members, but the 2 remaining values in A025019 are easily calculated from the last 2 values of A025018:
025018 and...
Forum: Marin's Mersenne-aries 2022-04-09, 00:35
Replies: 797
Views: 132,427
Posted By ATH
Queued: Cat 1 DoubleCheck=61157489,74,1 ...

Queued:

Cat 1
DoubleCheck=61157489,74,1
DoubleCheck=61280287,74,1
DoubleCheck=61312987,74,1

Cat 2
DoubleCheck=62822447,74,1
DoubleCheck=63293323,74,1
Forum: Prime Gap Searches 2022-04-05, 06:59
Replies: 109
Views: 30,940
Posted By ATH
All the tests are finished the gap checks out: ...

All the tests are finished the gap checks out:

35,956 composite PRP tests:
gap6966714prptests.zip (http://hoegge.dk/mersenne/gap6966714prptests.zip)

All 3,447,400 factors + 35,956 PRP tests in...
Forum: Lone Mersenne Hunters 2022-04-04, 16:43
Replies: 2,129
Views: 310,939
Posted By ATH
7363 itself is not prime: 7363 = 37*199. It...

7363 itself is not prime: 7363 = 37*199.

It IS still a Mersenne Number which are all 2n-1 for integer n: https://mathworld.wolfram.com/MersenneNumber.html

BUT it is not a Mersenne Number that...
Showing results 1 to 25 of 1000

 
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