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Search: Posts Made By: axn
Forum: enzocreti 2020-10-30, 03:38
Replies: 10
Views: 231
Posted By axn
On the contrary, that would be a very welcome...

On the contrary, that would be a very welcome development. We don't suffer from sunk cost fallacy here.
Forum: Wagstaff PRP Search 2020-10-29, 16:54
Replies: 400
Views: 40,155
Posted By axn
All known factors should be available in factordb.

All known factors should be available in factordb.
Forum: jwaltos 2020-10-29, 07:56
Replies: 5
Views: 165
Posted By axn
Unique factorization will be broken if -1 is...

Unique factorization will be broken if -1 is considered a prime. Just like 1 is given a special status of "unit", -1 should be given a special status and leave it at that, rather than trying to...
Forum: Hardware 2020-10-29, 02:05
Replies: 8
Views: 284
Posted By axn
This might matter less than you think, to wit... ...

This might matter less than you think, to wit...



The 128MB cache is big enough to fit our current FFTs in their entirety. This could indeed be very interesting.
Forum: Wagstaff PRP Search 2020-10-29, 01:48
Replies: 400
Views: 40,155
Posted By axn
186k-187k

2^186013+1 = 15748083763136456177209
2^186023+1 = 2957528297971240769
2^186023+1 = 3402564142067436324961
2^186103+1 = 19771015720037170163
2^186113+1 = 1264254694532649649
2^186113+1 =...
Forum: Wagstaff PRP Search 2020-10-28, 01:28
Replies: 400
Views: 40,155
Posted By axn
185k-186k

2^185027+1 = 1083777842499641953
2^185027+1 = 89787141833932019
2^185057+1 = 282852866698072157681
2^185077+1 = 16919021276013747377
2^185089+1 = 10900699594074604881521953
2^185089+1 =...
Forum: Hardware 2020-10-25, 10:31
Replies: 45
Views: 5,155
Posted By axn
Ah, missed that.

Ah, missed that.
Forum: Cloud Computing 2020-10-25, 09:00
Replies: 1,044
Views: 54,643
Posted By axn
Question How many concurrent notebooks?

How many concurrent notebooks can one run under a single google account, in the free tier? If it helps, I'm looking at CPU-only notebooks.
Forum: Hardware 2020-10-25, 07:55
Replies: 45
Views: 5,155
Posted By axn
Very nice. How was the power measured?

Very nice. How was the power measured?
Forum: Puzzles 2020-10-23, 15:48
Replies: 26
Views: 715
Posted By axn
Ok. Never really heard it before used as such....

Ok. Never really heard it before used as such. Always heard it in reference to actual fashion (clothing) related things only. Oh well, you live and learn :smile:
Forum: Puzzles 2020-10-23, 15:40
Replies: 26
Views: 715
Posted By axn
:huh: ? Perhaps you meant "kosher"...

:huh: ?

Perhaps you meant "kosher" ?
Forum: Lounge 2020-10-23, 15:30
Replies: 44
Views: 3,653
Posted By axn
You're thinking like a human. For a computer,...

You're thinking like a human. For a computer, what you just said is a nanosecond of computation (to divide by the base and check the remainder). This brings no efficiency to prime finding.
Forum: Number Theory Discussion Group 2020-10-22, 16:14
Replies: 27
Views: 848
Posted By axn
They're searching for permissible patterns, not...

They're searching for permissible patterns, not actual occurrences of any pattern.
Forum: GPU Computing 2020-10-20, 12:39
Replies: 3,422
Views: 298,289
Posted By axn
Can't it be made to assume otherwise?

Can't it be made to assume otherwise?
Forum: Wagstaff PRP Search 2020-10-20, 05:42
Replies: 400
Views: 40,155
Posted By axn
184k-185k

2^184031+1 = 3066962055535703524782090187
2^184031+1 = 3310916668900935201649
2^184031+1 = 8537179521952278577
2^184081+1 = 19318835619480293871001
2^184081+1 = 5034321118894336579
2^184081+1 =...
Forum: Math 2020-10-17, 17:02
Replies: 14
Views: 440
Posted By axn
We are looking at n prime. Since 2^n+1 has a...

We are looking at n prime. Since 2^n+1 has a forced factor of 3, we're looking for Wagstaff primes where the corresponding Mersenne number is a prime or semiprime. There should be infinitely many...
Forum: Wagstaff PRP Search 2020-10-17, 10:34
Replies: 400
Views: 40,155
Posted By axn
199k-200k

2^199037+1 = 627249193279444185889
2^199039+1 = 87865287613670545729
2^199207+1 = 9285128156437126547
2^199211+1 = 1869890775733000036955833
2^199261+1 = 974567960511316133064329
2^199313+1 =...
Forum: GPU Computing 2020-10-13, 14:21
Replies: 1,657
Views: 156,917
Posted By axn
He's using standard Primenet conversion 1Gd/d =...

He's using standard Primenet conversion 1Gd/d = 2GFLOPS
Forum: Soap Box 2020-10-10, 17:03
Replies: 1,339
Views: 58,699
Posted By axn
Ratatouille (2007)

Ratatouille (2007)
Forum: Wagstaff PRP Search 2020-10-10, 16:55
Replies: 400
Views: 40,155
Posted By axn
183k-184k

2^183023+1 = 173261792843097073
2^183023+1 = 38817123227377773657403
2^183037+1 = 166240186193141251
2^183041+1 = 16275694048614271643
2^183059+1 = 130017100225269608033
2^183263+1 =...
Forum: Lone Mersenne Hunters 2020-10-10, 06:36
Replies: 1,710
Views: 145,880
Posted By axn
Another big one. 42 digits, 138 bits ...

Another big one. 42 digits, 138 bits

M3667249 has a factor: 343439538302947378252521531857403032501081 (P-1, B1=30000000, B2=600000000, E=12)

Not my biggest, but still a top-40
Forum: Hardware 2020-10-09, 14:34
Replies: 25
Views: 1,094
Posted By axn
Quite possible, now that you mention it.

Quite possible, now that you mention it.
Forum: Miscellaneous Math 2020-10-07, 15:40
Replies: 7
Views: 264
Posted By axn
which can be simplified to q mod 8 = 1 or 7

which can be simplified to q mod 8 = 1 or 7
Forum: Hardware 2020-10-05, 14:00
Replies: 25
Views: 1,094
Posted By axn
Unlikely that 560K result has anything to do with...

Unlikely that 560K result has anything to do with memory. The i9 is a 20MB L3 part so the whole FFT should be running entirely from L3 and shouldn't be hitting RAM at all. Probably just seeing...
Forum: Soap Box 2020-10-03, 03:04
Replies: 55
Views: 1,732
Posted By axn
You need to select the "multiple choice" option...

You need to select the "multiple choice" option (see attachment) while creating the poll. Unfortunately, it doesn't seem possible to edit the poll and change it to a multiple choice option, so you...
Showing results 1 to 25 of 1000

 
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