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 2008-02-07, 01:42 #243 grobie     Sep 2005 Raleigh, North Carolina 337 Posts Reserving Riesel base 30 k=225, 239, 249
2008-02-07, 07:21   #244

Jan 2006
Hungary

1000011002 Posts

Quote:
 Originally Posted by Siemelink 2319*28^65184-1 is a probable prime. Time: 894.036 sec. Please credit George Woltman's PRP for this result! Testing with pfgw at the moment. Willem.
Has been verified with pfgw. So that one is down.

Willem.

 2008-02-07, 17:25 #245 gd_barnes     May 2007 Kansas; USA 101000011010112 Posts Reserving Sierp base 6 k=10107, 13215, and 14505. I'll take them up to about n=60K or until I find primes or get tired of them. I may combine them in with team drive 3 after hitting n=60K. Gary
 2008-02-07, 22:29 #246 Siemelink     Jan 2006 Hungary 22·67 Posts Confirmed by pfgw: 4001*28^56146-1 is a probable prime. Time: 1318.830 sec. Please credit George Woltman's PRP for this result! Tralala, Willem.
 2008-02-08, 20:35 #247 gd_barnes     May 2007 Kansas; USA 3×3,449 Posts Sierp base 12 k=404 is complete to n=100K. No primes. Now unreserved. Sierp base 6 k=10107, 13215, and 14505 are complete to n=60K. No primes. Now unreserved. Sieved file links up to n=100K are on the reservations web page. Gary
 2008-02-10, 01:02 #248 rogue     "Mark" Apr 2003 Between here and the 7×29×31 Posts I'm reserving the remaining base 30 Riesel values for 25k < n < 100k 659 (25K) 774 (25K) 1024 (25K) 1580 (25K) 1642 (25K) 1873 (25K) 1936 (25K) 2293 (25K) 2538 (25K) 2916 (25K) 3253 (25K) 3256 (25K) 3719 (25K) 4372 (25K) 4897 (25K)
2008-02-10, 04:47   #249
gd_barnes

May 2007
Kansas; USA

1034710 Posts

Quote:
 Originally Posted by rogue I'm reserving the remaining base 30 Riesel values for 25k < n < 100k

Great! Welcome to the effort Rogue.

Gary

 2008-02-14, 20:49 #250 gd_barnes     May 2007 Kansas; USA 3·3,449 Posts Riesel base 4 and 16 status on 2 reserved k's Riesel base 4 k=13854 and 19464 are complete to n=300K. No primes. They are now unreserved. This means that the same k's on Riesel base 16 are completed to n=150K and are also unreserved.
 2008-02-16, 17:24 #251 michaf     Jan 2005 479 Posts After a draft of 10k n’s without primes, there are two in a row: 83988*31^41706-1 is prime 111038*31^42197-1 is prime Jippee That leaves 11 candidates on Riesel 31 (26064 candidates to test upto 100k)
 2008-02-17, 12:23 #252 grobie     Sep 2005 Raleigh, North Carolina 337 Posts Riesel base 30 k=225, 239, 249 only testing to n=50k forgot to say how far I was going when I reserved these. Last fiddled with by gd_barnes on 2010-05-11 at 05:12 Reason: remove base > 32
 2008-02-20, 00:19 #253 grobie     Sep 2005 Raleigh, North Carolina 337 Posts Riesel Base 30 k=225, 239, 249 tested to n=50k No Primes found, releasing these. Results e-mailed, let me know if you got them.

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