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2012-01-22, 18:50
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#925 |
May 2008
Wilmington, DE
22×23×31 Posts |
R256
R256 tested n=75K-125K
9129*256^79124-1 is prime 5142*256^96403-1 is prime 6497*256^102104-1 is prime 9618*256^103168-1 is prime 8250*256^115971-1 is prime 7373*256^117071-1 is prime 32 k's remaining Results emailed - Base released Last fiddled with by MyDogBuster on 2012-01-22 at 18:50 |
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2012-01-26, 20:36
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#926 |
"Serge"
Mar 2008
Phi(4,2^7658614+1)/2
224318 Posts |
S256 has no prime up to n<=300K. Continuing to 350K.
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2012-01-27, 20:43
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#927 |
Jun 2009
2AC16 Posts |
R366 tested n=150k to 200k, two previously reported primes.
Continuing... |
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2012-01-29, 16:48
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#928 |
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Nov 2011
19 Posts |
Reserving R367 to n=100K
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2012-02-03, 14:21
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#929 |
"Mark"
Apr 2003
Between here and the
22×7×227 Posts |
S406 done to n=200000 and released. No primes. I was hoping for a hit as this is the most heavily weighted single k conjecture. More than 1900 tests in a range of 25000.
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2012-02-05, 00:00
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#930 |
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Jul 2010
Germany
101 Posts |
status r253
r253 tested to n=179e3 ; no primes
grueny |
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2012-02-13, 17:48
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#931 |
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Just call me Henry
"David"
Sep 2007
Cambridge (GMT/BST)
16FE16 Posts |
Reserving S368 to 100k
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2012-02-14, 01:12
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#932 |
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May 2008
Wilmington, DE
22·23·31 Posts |
S264
S264 tested n=100K-200K - Nothing found
Results emailed Base released Reserving R332 R334 R347 R353 to n=200K Last fiddled with by gd_barnes on 2012-02-14 at 10:21 Reason: 294 -> 264, R352 -> R353 |
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2012-02-14, 10:23
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#933 | |
May 2007
Kansas; USA
32×13×89 Posts |
Quote:
I have edited your post accordingly. If incorrect, feel free to re-edit it and let me know. Edit: Geez, I need typing lessons. Last fiddled with by MyDogBuster on 2012-02-14 at 11:11 |
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2012-02-14, 22:31
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#934 |
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Just call me Henry
"David"
Sep 2007
Cambridge (GMT/BST)
16FE16 Posts |
reserving S392
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2012-02-20, 04:54
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#935 |
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May 2007
Kansas; USA
32×13×89 Posts |
G30ffr3y has reported an excellent proof of R367 with a conjecture of k=620. With 3 k's remaining at n=50K, he found all 3 primes:
530*367^55209-1 114*367^68120-1 456*367^90682-1 This is 7th largest Riesel conjecture ever proven on our project and the largest of the 3 primes is in the top 5000 of all time! I have informed him to report it. Congrats G30ffr3y! 
Last fiddled with by gd_barnes on 2012-02-20 at 04:57 |
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