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Old 2014-05-17, 16:48   #1
Trilo
 
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1423*2^2179023-1

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Default reserving a few k values

Hello, I am reserving k= 4207, 4329, 4347, 4431

so far k= 4207 tested up to 137k with N=26065 as prime. I will update this with my progress.

Last fiddled with by Trilo on 2014-05-17 at 16:48
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Old 2014-05-18, 15:07   #2
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1423*2^2179023-1

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4207 tested up to 310k with

26065
173153

as prime n's.

4329 tested up to 160k with the following prime n:

37045
46787
59620
65896
71785
91267
103503
132735
151504

4347 tested up to 160k with the following prime n:

20468
20750
24745
27278
28982
31585
33250
51002
111125

4431 tested up to 160k with the following n as prime:

21441
22417
31963
31969
50089
53511
76069
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Old 2014-05-23, 02:22   #3
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1423*2^2179023-1

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Update:

4207: None [531k]

4329: 162585, 167804, 253699 [260k]

4347: 204833, 234752, 276222 [278k]

4431: None [272k]
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Old 2014-05-28, 14:17   #4
Trilo
 
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1423*2^2179023-1

5E16 Posts
Default k=20055

also taking k=20055, already have it tested to ~80k on several cores:

30838, 35343, 36155, 36923, 40674, 41897, 44431, 47145, 59242, 69105, 69398, 72005, 77410
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Old 2014-10-03, 00:48   #5
Trilo
 
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1423*2^2179023-1

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Default Status update

Update:

4207: None [851k]

4329: 263133, 340355, 343403 [427k]

4347: 292512, 330224 [454k]

4431: 293087, 309253, 402299, 410231 [444k]

Reserving k= 1423 from n= 1M- n= 2M. Already tested to n= 1.25M primes: 1423*2^1205415- 1 (362, 870 digits)

Also unreserving k= 20055 tested up to 100k no new primes from last report.
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Old 2014-10-12, 04:05   #6
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1423*2^2179023-1

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1423 is now at 1.54M with no new primes.
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Old 2014-11-10, 16:32   #7
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1423 is at n= 2M
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Old 2015-09-27, 23:20   #8
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I would like to reserve 1423 on to 3M, and have started testing.
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