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Old 2008-01-08, 09:07   #1
gd_barnes
 
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Default Riesel base 16 - team drive #2

We are starting Conjectures 'R Us (CRUS) team drive #2 for Riesel base 16 starting at n=25K and continuing until all k's have a prime. Included in the drive are 12 of the remaining 17 k's that need a prime. A link to a sieved file is below. As we find primes, we will remove candidates from the files.

The file has been sieved for n=250K-500K and no more sieving is needed. The sieve depth is P=70T. As we find primes, we'll remove k's from the file for higher n-ranges.

We are posting one large file that people can cut individual reservations out of. This should give people more flexibility with their ranges. Please reserve a range that will take no longer than ~4-6 weeks. IMPORTANT: Please reserve in multiples of n=2000 and begin your range with n=xxx001 and end with n=xxx000 to avoid missing or duplicating tests.

Please post all primes, reservations, and statuses in this thread instead of using other multiple threads. We'll be checking this thread frequently for primes so that we can quickly get candidates removed from the file that no longer need to be tested.

Here is a breakdown of the 17 k's that are remaining:
12 in the team drive for n=200K-500K.
3 reserved for PrimeGrid and searched to n>1M with the Riesel base 2 conjecture effort.
1 reserved for base 4 and searched to n>1M.
1 unreserved for base 4 and searched to n=500K.

Below are primes found from the team drive plus all individual efforts for Riesel base 16 for n > 25K. Red indicates top-5000 primes.

Primes:
Code:
prime found        by
3620*16^435506-1   KEP
7673*16^366247-1   KEP
33863*16^236436-1  Mini-Geek
6852*16^216571-1   MyDogBuster
2993*16^211161-1   antiroach
15068*16^204680-1  unconnected
13854*16^185870-1  gd_barnes
19413*16^181080-1  mdettweiler
1478*16^147920-1   gd_barnes
33723*16^102191-1  gd_barnes
17798*16^97394-1   kar_bon
15458*16^81157-1   tnerual
16734*16^78426-1   gd_barnes
5307*16^76522-1    tnerual
27833*16^57892-1   kar_bon
18957*16^50221-1   kar_bon
8702*16^41326-1    kar_bon
17735*16^38991-1   kar_bon
Status:
Code:
n-range       tested by       Status        # of primes
320K-500K     KEP             complete        2
260K-320K     MyDogBuster     complete        0
220K-260K     Mini-Geek       complete        1
216K-220K     MyDogBuster     complete        1
210K-216K     antiroach       complete        1
200K-210K     unconnected     complete        1
190K-200K     gd_barnes       complete        0
170K-190K     mdettweiler     complete        1 (plus 1 other)
156K-170K     MyDogBuster     complete        0
154K-156K     Flatlander      complete        0
150K-154K     MyDogBuster     complete        0
130K-150K     gd_barnes       complete        1
126K-130K     mdettweiler     complete        0
110K-126K     gd_barnes       complete        0
87.5K-110K    LLRNet          complete        2
85K-87.5K     kar_bon         complete        0
74K-85K       tnerual         complete        2 (plus 1 other)
71K-74K       mdettweiler     complete        0
25K-71K       kar_bon         complete        4
All sieved files have been tested. Eventually we will begin sieving a higher n-range.

All primes now found will be top-5000 primes so have fun and take down some k's!


Gary

Last fiddled with by gd_barnes on 2014-06-11 at 08:13 Reason: status update
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Old 2008-01-08, 09:21   #2
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ok, first one: taking 2 files 25k-43k
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Old 2008-01-09, 19:03   #3
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range 25k-35k complete, no prime

range 35k-43k complete, 2 primes:
17735*16^38991-1
8702*16^41326-1

taking 43k-50k
Attached Files
File Type: zip Riesel_base16_25k-43k.zip (148.8 KB, 95 views)
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Old 2008-01-10, 23:11   #4
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range 43k-50k complete, no prime

reserving 50k-56k
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Old 2008-01-12, 12:12   #5
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range 50k-56k complete, one prime:

18957*16^50221-1
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Old 2008-01-16, 15:18   #6
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taking 56k-71k (4 files)
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Old 2008-01-17, 21:34   #7
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Files now added up to n=100K
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Old 2008-01-18, 06:27   #8
mdettweiler
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Taking 71-74K. :-)
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Old 2008-01-18, 20:51   #9
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taking 74-85k
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Old 2008-01-19, 02:48   #10
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next prime: 27833*16^57892-1 = 27833*2^231568-1
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Old 2008-01-19, 08:08   #11
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Goofy posts and goofy responses have been deleted as requested by Anon.

No more goofiness!
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