20110115, 01:33  #23 
A Sunny Moo
Aug 2007
USA (GMT5)
1869_{16} Posts 
Oddball, did you by chance forget this one?
user=Flatlander [20110114 04:13:15] 31239*2^4841531 is prime! Time : 1460.0 sec. It's listed in the rally thead but not here. 
20110115, 05:54  #24 
May 2010
499 Posts 
No, I didn't forget it. I'm just holding off on checking it for twins since all of my computing power is currently devoted to the rally

20110115, 06:37  #25 
A Sunny Moo
Aug 2007
USA (GMT5)
1869_{16} Posts 

20110116, 01:55  #26 
A Sunny Moo
Aug 2007
USA (GMT5)
3×2,083 Posts 
user=mdettweiler
[20110115 18:24:25] 10641*2^4823991 is prime! Time : 0.0 sec. Doublecheck (done on a different computer than the one that found the prime): 10641*2^4823991 is prime! Time : 421.080 sec. 10641*2^482399+1 is not prime. Proth RES64: 5782B69ECBADD215 Time : 426.889 sec. Quite interestingly, it seems that MiniGeek has also found a prime on this exact same n... Last fiddled with by mdettweiler on 20110116 at 01:58 
20110116, 04:04  #27 
Account Deleted
"Tim Sorbera"
Aug 2006
San Antonio, TX USA
10253_{8} Posts 
30705*2^4823991 is prime!
30705*2^482399+1 is not prime. Proth RES64: 6E8D3D7C0374F178 
20110116, 05:41  #28 
"Lennart"
Jun 2007
2^{5}·5·7 Posts 
52125*2^4824921 is Prime!
No twin. Lennart 
20110116, 05:46  #29 
A Sunny Moo
Aug 2007
USA (GMT5)
1869_{16} Posts 

20110116, 07:04  #30 
"Lennart"
Jun 2007
2^{5}×5×7 Posts 
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 
20110116, 12:02  #31 
Oct 2010
191 Posts 
7077*2^4822921 is prime
7077*2^482292+1 is not prime. Proth RES64: B09D2783CE091EE0 Time : 215.599 sec. 82719*2^4824691 is prime 82719*2^482469+1 is not prime. Proth RES64: D942486C08579C94 Time : 215.862 sec. 
20110116, 19:16  #32 
Oct 2010
10111111_{2} Posts 
67917*2^4829361 is prime
67917*2^482936+1 is not prime. Proth RES64: D8F51BBA3726A0F1 Time : 233.638 sec. 
20110116, 20:45  #33 
"Lennart"
Jun 2007
2^{5}×5×7 Posts 

Thread Tools  
Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Distribution of Mersenne primes before and after couples of primes found  emily  Math  34  20170716 18:44 
Here is a list of Mersenne Primes  MattcAnderson  MattcAnderson  0  20170527 14:00 
List of megabit primes found  Lennart  Twin Prime Search  58  20170505 14:15 
List of all base 5 primes?  gd_barnes  Sierpinski/Riesel Base 5  2  20080701 04:09 
List of primes  Primeinator  Math  18  20050320 00:50 