List of variable-n primes found - Page 5

Lennart · 2011-04-25, 23:42

Quote:

Originally Posted by mdettweiler

Note that ever since we upgraded the PRPnet server to version 4.1.4, it has clients check the +1's automatically (and stores the residuals in the server results files, available from http://www.noprimeleftbehind.net/tps/). Of course, you may still want to do a doublecheck, but the initial check is automatically taken care of (generally on the same client machine that found the original -1 prime).

Ok I did a check anyway :)

173943*2^480166+1 is not prime. Proth RES64: 08559155C6E8CABD Time : 371.504 sec.
179025*2^480578+1 is not prime. Proth RES64: 1F4BCFCFE5B43B85 Time : 370.618 sec.
115095*2^480748+1 is not prime. Proth RES64: 0A925998113E43DB Time : 307.396 sec.
112983*2^480882+1 is not prime. Proth RES64: 90E8491411FE7161 Time : 308.301 sec.
146649*2^480989+1 is not prime. Proth RES64: 7408B6508FC388FE Time : 371.729 sec.
182379*2^481201+1 is not prime. Proth RES64: FB973052CB71AFAC Time : 371.908 sec.
158655*2^481257+1 is not prime. Proth RES64: 7DC37505FCBBD669 Time : 371.069 sec.
101085*2^483510+1 is not prime. Proth RES64: 6C1364E77C24175C Time : 310.906 sec.
117711*2^483635+1 is not prime. Proth RES64: 0FFED8CAE0BD7500 Time : 310.842 sec.
103077*2^483810+1 is not prime. Proth RES64: BA7164860CCC5DF5 Time : 312.482 sec.
182523*2^483936+1 is not prime. Proth RES64: 047FF2FC723D0874 Time : 374.465 sec.

Lennart

science_man_88 · 2011-04-26, 20:00

Quote:

Originally Posted by Lennart

52125*2^482492+1 is not prime. Proth RES64: 8C4879C6B5A03FA8 Time : 367.205 sec.
78081*2^482529+1 is not prime. Proth RES64: DCFEF34DD8DF516F Time : 365.880 sec.

78081*2^482529+1 is Prime!

Lennart

all I know about this topic is k*2^n $\pm$ 1 only seems to be possible twin when k mod 3=0 . the bolded seems impossible once with it not prime the next with it prime.

kar_bon · 2011-04-26, 20:22

Quote:

Originally Posted by science_man_88

all I know about this topic is k*2^n $\pm$ 1 only seems to be possible twin when k mod 3=0 . the bolded seems impossible once with it not prime the next with it prime.

See post #33. Lennart corrected it there.

Lennart · 2011-04-30, 04:27

178107*2^481694-1 is Prime
173985*2^481857-1 is Prime

Lennart

Lennart · 2011-05-04, 17:03

182505*2^482066-1 is Prime
198045*2^482129-1 is Prime
111573*2^482160-1 is Prime
110295*2^482405-1 is Prime
110439*2^482447-1 is Prime
150591*2^482527-1 is Prime
167877*2^482568-1 is Prime
170049*2^482689-1 is Prime
101055*2^482696-1 is Prime
123807*2^482808-1 is Prime
140925*2^482839-1 is Prime

Lennart

mdettweiler · 2011-09-01, 12:43

odicin found the following prime a while back while Oddball was on vacation:

user=odicin
[2011-08-07 01:07:46]
139023*2^485174-1 is prime! Time : 0.0 sec.
user=odicin
[2011-08-07 01:07:46]
139023*2^485174+1 is not prime. Res64: 65644C7379D517CF Time : 0.0 sec.

Oddball · 2011-09-02, 05:15

Quote:

Originally Posted by mdettweiler

odicin found the following prime a while back while Oddball was on vacation:

user=odicin
[2011-08-07 01:07:46]
139023*2^485174-1 is prime! Time : 0.0 sec.
user=odicin
[2011-08-07 01:07:46]
139023*2^485174+1 is not prime. Res64: 65644C7379D517CF Time : 0.0 sec.

It's on the list now. We'll need two more primes to get to 100 primes found

odicin · 2011-09-14, 05:51

By celebratory of two new primes found (and the hundreds overeall on this server), I'm now registered here in the forum

[2011-09-13 12:54:34]
144747*2^485360-1 is prime! Time : 0.0 sec.
144747*2^485360+1 is neither PRP nor prime

[2011-09-14 00:19:41]
159159*2^485373-1 is prime! Time : 0.0 sec.
159159*2^485373+1 is neither PRP nor prime

Regards Odi

Lumiukko · 2011-09-18, 10:21

144183*2^486398-1 is prime

--
Lumiukko

odicin · 2011-09-18, 10:53

[2011-09-16 13:09]
116355*2^485485-1 is prime! Time : 0.0 sec.
116355*2^485485+1 is neither PRP nor prime

[2011-09-18 03:48]
161691*2^486091-1 is prime! Time : 0.0 sec.
161691*2^486091+1 is neither PRP nor prime

[2011-09-18 05:04]
149085*2^486161-1 is prime! Time : 0.0 sec.
149085*2^486161+1 is neither PRP nor prime

[2011-09-18 07:34]
134949*2^486309-1 is prime! Time : 0.0 sec.
134949*2^486309+1 is neither PRP nor prime

Odi

Lennart · 2011-09-18, 16:01

113175*2^486067-1
138891*2^486095-1
180411*2^486159-1
150849*2^486587-1
179085*2^486798-1
155145*2^486858-1

Is Prime :)

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2011-04-30, 04:27	#48
Lennart "Lennart" Jun 2007 2⁵·5·7 Posts	1781072^481694-1 is Prime 1739852^481857-1 is Prime Lennart

2011-05-04, 17:03	#49
Lennart "Lennart" Jun 2007 2140₈ Posts	1825052^482066-1 is Prime 1980452^482129-1 is Prime 1115732^482160-1 is Prime 1102952^482405-1 is Prime 1104392^482447-1 is Prime 1505912^482527-1 is Prime 1678772^482568-1 is Prime 1700492^482689-1 is Prime 1010552^482696-1 is Prime 1238072^482808-1 is Prime 140925*2^482839-1 is Prime Lennart

2011-09-01, 12:43	#50
mdettweiler A Sunny Moo Aug 2007 USA (GMT-5) 3·2,083 Posts	odicin found the following prime a while back while Oddball was on vacation: user=odicin [2011-08-07 01:07:46] 1390232^485174-1 is prime! Time : 0.0 sec. user=odicin [2011-08-07 01:07:46] 1390232^485174+1 is not prime. Res64: 65644C7379D517CF Time : 0.0 sec.

2011-09-14, 05:51	#52
odicin Sep 2011 Potsdam, Germany 222₈ Posts	By celebratory of two new primes found (and the hundreds overeall on this server), I'm now registered here in the forum [2011-09-13 12:54:34] 1447472^485360-1 is prime! Time : 0.0 sec. 1447472^485360+1 is neither PRP nor prime [2011-09-14 00:19:41] 1591592^485373-1 is prime! Time : 0.0 sec. 1591592^485373+1 is neither PRP nor prime Regards Odi

2011-09-18, 10:21	#53
Lumiukko Mar 2011 Finland 19 Posts	144183*2^486398-1 is prime -- Lumiukko

2011-09-18, 10:53	#54
odicin Sep 2011 Potsdam, Germany 2·73 Posts	[2011-09-16 13:09] 1163552^485485-1 is prime! Time : 0.0 sec. 1163552^485485+1 is neither PRP nor prime [2011-09-18 03:48] 1616912^486091-1 is prime! Time : 0.0 sec. 1616912^486091+1 is neither PRP nor prime [2011-09-18 05:04] 1490852^486161-1 is prime! Time : 0.0 sec. 1490852^486161+1 is neither PRP nor prime [2011-09-18 07:34] 1349492^486309-1 is prime! Time : 0.0 sec. 1349492^486309+1 is neither PRP nor prime Odi

2011-09-18, 16:01	#55
Lennart "Lennart" Jun 2007 2⁵×5×7 Posts	1131752^486067-1 1388912^486095-1 1804112^486159-1 1508492^486587-1 1790852^486798-1 1551452^486858-1 Is Prime :)