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Old 2021-01-13, 10:11   #1387
gd_barnes
 
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Quote:
Originally Posted by MisterBitcoin View Post
Working on a large base like R7 is troublesome, but i still decided to give it some effort.

And after a few days i have results. The range 408034000000 up to 408034255081 is proven.

The last k just fell a few hours ago.

Code:
408034056294*7^226772-1 is prime! (191657 decimal digits, P = 3)  Time : 342.596 sec.
The results and primes can be found in results_max_range_R7.zip. The files created from srbsieve will be added in a few minutes. (Edit: added now)



I am reserving the range >408G for testing up to n=25K. [5400 k´s remaining at n=3350; quickly decreasing]

You should have reserved it first. I would have stated the following:

This is too messy to show on the pages. Sorry.

I suggest working your way upwards from k>500M (lowest untested) on the k's for this huge-conjectured base. Starting at the end and working backwards makes for too much admin work.

Last fiddled with by gd_barnes on 2021-01-13 at 10:18
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Old 2021-01-13, 11:59   #1388
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Quote:
Originally Posted by gd_barnes View Post
You should have reserved it first. I would have stated the following:

This is too messy to show on the pages. Sorry.

I suggest working your way upwards from k>500M (lowest untested) on the k's for this huge-conjectured base. Starting at the end and working backwards makes for too much admin work.

Alright, reserving R7 k= 500M-1G up to n=25K.

Last fiddled with by gd_barnes on 2021-01-14 at 09:52 Reason: admin edit: split apart comment about software
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Old 2021-01-14, 09:49   #1389
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Questions and comments about srbsieve/srsieve/srsieve2 moved to software instructions/questions thread.
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Old 2021-01-23, 13:16   #1390
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Reserving R7 k-range <2M up to n=500K.
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Old 2021-01-26, 12:10   #1391
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S10 tested till n=3.06M
R10 tested till n=2.34M
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Old 2021-01-28, 21:14   #1392
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R7 tested to n=100k (25-100k) (200-300M)

1281 primes found, 794 remain in this range

Results emailed - Base released
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Old 2021-02-01, 20:25   #1393
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R6 tested to n = 5.5e6. Residues attached. Testing continues.
Attached Files
File Type: txt R6_5p4M_res.txt (52.9 KB, 81 views)
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Old 2021-02-02, 08:13   #1394
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R7, K=500M-600M reached n=10K. 4280 k´s are remaining; testing continues.


Found primes from n=3K-10K are attached, as well as k´s remaining.
Attached Files
File Type: zip R7_k500M-600M_n10K.zip (66.2 KB, 93 views)
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Old 2021-02-18, 16:05   #1395
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Reserving R7 k-range: 2M-10M up to n=250K.


Additionally reserving R15, k-range 10M-20M up to n=100K. Splitting this into 8 segments to speed it up.

Last fiddled with by MisterBitcoin on 2021-02-18 at 16:15 Reason: adding R15
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Old 2021-04-17, 15:07   #1396
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Update about R7:


Testing range <2M:


Extending up to 1M; testing is between 740K and 800K. Found 1 prime, will soon be reported once Top 5k primes works fine again.



Testing range 2M-10M:


Extending up to n=300K; Found 10 primes. Testing right now is a ~274k.



Code:
9761156*7^170417-1
5119538*7^173944-1
2096676*7^178423-1
6597704*7^180695-1
8737902*7^182549-1
3531018*7^185035-1
4635222*7^198494-1
8389476*7^208246-1
2539898*7^214467-1
3587876*7^254226-1

Testing range: 500M-1G


will update soon and mail results.
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Old 2021-07-24, 15:37   #1397
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About R7.


I have send the results k=500M-700M up to n=25K to Gary.



700M-1G is still processing at varios n-values.



k=<2M is now at n=970K so a few more weeks.



k=2M-10M is also comming along very well. I found the following primes:


Code:
7115634*7^273464-1
8354966*7^288802-1
9871172*7^367701-1

I will extend the range up to n=500K. Considering to go for a new and better sieved sieve file after passing n=400K.
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