Post small primes and tell us about your progress here - Page 24

VBCurtis · 2008-02-05, 00:23

457*2^265533-1 is prime.

-Curtis

grobie · 2008-02-10, 15:43

Testing at n=201259 continuing on

No additional primes to add since last update

mdettweiler · 2008-03-14, 16:21

1003*2^144163-1 is prime!

VBCurtis · 2008-03-25, 21:32

Primes from my mini-drive:
479 300140
449 309416
479 313660
The drive is complete to 330k. This will be posted on Primesearch, if the site still works.
-Curtis

grobie · 2008-04-03, 02:42

Testing completed to n=217438

55951335*2^216360 is Prime

henryzz · 2008-04-12, 18:07

i have taken 8413 to 100k and found 8413*2^19887-1 is prime

mdettweiler · 2008-04-30, 05:38

Quote:

Originally Posted by Anonymous

1003*2^144163-1 is prime!

Whoops, now that I looked back and checked things I realized that this prime was already found.

Oh well, not much of a loss since it's relatively puny anyway.

grobie · 2008-05-02, 09:50

No new primes to report, testing is now at 227k & continuing

Last Prime was: (not on RPS web page)

55951335*2^216360-1

grobie · 2008-05-21, 09:31

Tested k=684255 to n=50k with 87 Primes for following n:

Code:

 1    128    1006    10344
 4    129    1082    11474
 6    149    1093    11496
 8    168    1260    12413
16    189    1305    14898
20    203    1730    15078
23    237    1823    15086
25    298    2113    16353
27    390    2237    16927
32    396    3056    17120
37    398    3497    19208
43    572    3628    20033
45    632    4273    20600
55    684    4841    20712
59    695    5134    21150
60    743    5519    23592
64    808    6320    25294
70    882    6332    27458
83	     6778    28981
86	     7401    29818
96	     8833    36076
98           9608    36949
		     37816
		     42464
		     45760

grobie · 2008-05-23, 01:12

tested to n=60k 2 additional primes:
684255 51110
684255 59320

I am going to let this k go.

Kosmaj · 2008-05-23, 01:44

Hi grobie, nice primes, I hope you don't mind, but I rearranged your first post to show them in a compact way.

2008-02-10, 15:43	#255
grobie Sep 2005 Raleigh, North Carolina 101010001₂ Posts	Update for k=55951335 Testing at n=201259 continuing on No additional primes to add since last update

2008-04-03, 02:42	#258
grobie Sep 2005 Raleigh, North Carolina 337 Posts	Update for k=55951335 Testing completed to n=217438 55951335*2^216360 is Prime

2008-05-02, 09:50	#261
grobie Sep 2005 Raleigh, North Carolina 337 Posts	Update for k=55951335 No new primes to report, testing is now at 227k & continuing Last Prime was: (not on RPS web page) 55951335*2^216360-1

2008-05-23, 01:12	#263
grobie Sep 2005 Raleigh, North Carolina 337 Posts	k=684255 tested to n=60k 2 additional primes: 684255 51110 684255 59320 I am going to let this k go.

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2008-02-05, 00:23	#254
VBCurtis "Curtis" Feb 2005 Riverside, CA 11·443 Posts	457*2^265533-1 is prime. -Curtis

2008-03-14, 16:21	#256
mdettweiler A Sunny Moo Aug 2007 USA (GMT-5) 3×2,083 Posts	1003*2^144163-1 is prime!

2008-03-25, 21:32	#257
VBCurtis "Curtis" Feb 2005 Riverside, CA 11×443 Posts	Primes from my mini-drive: 479 300140 449 309416 479 313660 The drive is complete to 330k. This will be posted on Primesearch, if the site still works. -Curtis

2008-04-12, 18:07	#259
henryzz Just call me Henry "David" Sep 2007 Cambridge (GMT/BST) 2·3³·109 Posts	i have taken 8413 to 100k and found 8413*2^19887-1 is prime

2008-05-23, 01:44	#264
Kosmaj Nov 2003 2×1,811 Posts	Hi grobie, nice primes, I hope you don't mind, but I rearranged your first post to show them in a compact way.