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2011-01-31, 15:55
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#199 | |
May 2007
Kansas; USA
29·359 Posts |
Quote:
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2011-01-31, 18:44
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#200 | |
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A Sunny Moo
Aug 2007
USA (GMT-5)
624910 Posts |
Quote:
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2011-01-31, 18:52
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#201 |
"Serge"
Mar 2008
Phi(4,2^7658614+1)/2
100101000101102 Posts |
I've checked with Wilfrid Keller that the bases that they've searched (as early as in 2006 and even 1999) were only b=11 (mod 12), - for the reason that they can produce primes that "divide Phi(b^m,2)". They haven't searched S461 (k=2), so there's no duplication of effort.
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2011-02-14, 21:00
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#202 |
May 2008
Wilmington, DE
22·23·31 Posts |
S785
S785 tested n=50K-100K
http://primes.utm.edu/primes/page.php?id=98406 112*785^84676+1 is prime 8*785^n+1 changes into a 1ker with a weight of 588 Results emailed - Base released Last fiddled with by MyDogBuster on 2011-02-14 at 21:01 |
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2011-02-21, 22:23
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#203 |
Jun 2009
12548 Posts |
Due to several machines running subranges parallelly I found this rather unnecessary but large prime:
36*1029^91749-1 is prime! |
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2011-03-05, 19:34
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#204 |
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May 2008
Wilmington, DE
22×23×31 Posts |
S853
S853 tested n=25K-100K
http://primes.utm.edu/primes/page.php?id=99015 42*853^91322+1 is prime 106*853^n+1 is now a 1ker with a weight of 987 Results emailed - Base released |
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2011-03-16, 18:05
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#205 |
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May 2008
Wilmington, DE
22·23·31 Posts |
S889
S889 tested n=25K-100K
174*889^38647+1 is prime http://primes.utm.edu/primes/page.php?id=99222 534*889^71765+1 is prime Conjecture proven - Results emailed A nice ck of 624 and 3 in a row, S888, S889, S890 Last fiddled with by MyDogBuster on 2011-03-17 at 04:17 |
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2011-03-22, 22:10
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#206 |
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May 2008
Wilmington, DE
1011001001002 Posts |
S953
S953 tested n=25K-100K
http://primes.utm.edu/primes/page.php?id=99253 14*953^97789+1 is prime 8*953^n+1 is now a 1ker with a weight of 1155 Results emailed - Base released |
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2011-03-28, 14:43
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#207 |
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Jun 2009
22·32·19 Posts |
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2011-03-28, 17:21
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#208 |
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May 2008
Wilmington, DE
22×23×31 Posts |
R272
http://primes.utm.edu/primes/page.php?id=99279
6*272^148426-1 is prime Conjecture proven Results emailed - Base released This is our 3rd proven conjecture today.  Nice one Peter. 
Last fiddled with by MyDogBuster on 2011-03-28 at 18:14 |
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2011-03-31, 03:54
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#209 |
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May 2007
Kansas; USA
29·359 Posts |
Vmod found:
802*148^114769+1 is prime S148 is now a 1ker. |
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