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MisterBitcoin 2017-01-13 12:44

Status from CRUS-work.
 
This blog is about my status on some bases for CRUS.
The following bases and reservations will be updated

S212 k64
S428
S797
S917

BTW: S522 is @>9200.

gd_barnes 2017-01-13 18:37

[QUOTE=MisterBitcoin;450878]This blog is about my status on some bases for CRUS.
The following bases and reservations will be updated

S212 k64
S428
S797
S917

BTW: S522 is @>9200.[/QUOTE]

This should be posted in the CRUS forum.

MisterBitcoin 2017-01-13 20:32

[QUOTE=gd_barnes;450894]This should be posted in the CRUS forum.[/QUOTE]

I would post every 2 days here with tiny upgrades, e.g.

S917: 15/2403 tests done

Updates on the reservation thread(s) will be every 1-2 months.

MisterBitcoin 2017-01-14 22:29

Server list:

Strato #1 (Linux): Sieving only
Strato #2 (Windows): PRP-tests
VM-Cluster/ESX (Linux/about 1TFLOPs): Sieving only

Plus Notebook and "Tower".

MisterBitcoin 2017-02-26 18:12

February 2017 report
 
My monthly goals for February aren´t reached, but there very close.
After some problems with newpgen and srbsieve on my Windows Server (e.g. DEP) its now finely working!
I´m planning to start 2 more srbsieve-threads after my S428 reservation is over.
Taking a S3 Range need a lot of time, after 24 hrs I´m at 9,5% from step 2.
One Range will be take ~2 months.

The best think is still the megaprime. :)

MisterBitcoin 2017-04-06 09:22

March 2017 was an good month.
2 new sierp bases tested to n=10K. :smile:


Even the begining from april seem good:
S3-Range passed n=17K, 19,000 k´s remain
My new reservation S393 runs fine, just a few minutes ago the fist prime. :whee: EDIT: Only 20 hrs later I found two new primes!
[CODE]
30018*393^35451+1 is prime! (91979 decimal digits)
21078*393^36867+1 is prime! (95652 decimal digits) Time : 48.150 sec.
15530*393^35657+1 is prime! (92513 decimal digits) Time : 37.924 sec[/CODE]

MisterBitcoin 2017-04-10 19:51

just ignore
 
4 Attachment(s)
Once more a data transfer.

MisterBitcoin 2017-06-30 16:58

4 Attachment(s)
srbsieve full pack

(srsieve+newpgen+open PFGW)

MisterBitcoin 2018-10-04 16:09

Not actually related to CRUS, but still interesting:


Primes for form 172*3^n+1



[CODE]"0"
2
4
22
25
34
44
49

54
57
114
142
265
328
360
453
520
764
1070
2200
3424

12614

[/CODE]These are all primes n<25000.
Going deeper, at some point.

Thank you Karsten for missed prime at n=49, now fixed.

kar_bon 2018-10-05 17:34

Missed prime at n=49.

LaurV 2018-10-06 02:48

[QUOTE=MisterBitcoin;497373]Not actually related to CRUS, but still interesting:
Primes for form 172*3^n+1
These are all primes n<25000.
Not going deeper, atm.[/QUOTE]
I still don't get it what is interesting about primes that can be found in less than half hour of pari/gp one-liner run? [/end of Sat_morning_grumpy_because_not_yet_coffee]


[CODE]gp > for(n=1,50000,if(isprime(172*3^n+1),print("prime for: "n),printf("...%d...%c",n,13)))
prime for: 2
prime for: 4
prime for: 22
prime for: 25
prime for: 34
prime for: 44
prime for: 49
prime for: 54
prime for: 57
prime for: 114
prime for: 142
prime for: 265
prime for: 328
prime for: 360
prime for: 453
prime for: 520
prime for: 764
prime for: 1070
prime for: 2200
prime for: 3424
...3709...
*** at top-level: for(n=1,50000,if(isprime(172*3^n+1),p
*** ^--------------------
*** isprime: user interrupt after 1min, 31,719 ms
*** Break loop: <Return> to continue; 'break' to go back to GP prompt
break>[/CODE]
(this is a slow laptop, which is factoring aliquotes in parallel, and yes, I understand that it gets slower and slower as it comes to higher n, without any sieving, but please come back with some 400k+ digits primes of this form, and then we talk...)


Going for that coffee... the machine is beeping...


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