20080806, 17:38  #1 
Jul 2003
wear a mask
3106_{8} Posts 
Twenty Oldest Primes on Top 5000 List

20080807, 01:44  #2 
"Richard B. Woods"
Aug 2002
Wisconsin USA
2^{2}·3·641 Posts 
M32, M33, M34, M36, M37 and M38 are all on the oldest20 list, but M35 is not ?????
I think something needs repair. The top5000 list I downloaded on "Sat Jun 9 18:50:25 CDT 2007" shows Code:
73 149797*2^14141371 74 2^13982691 75 192089*2^13956881 Code:
105 149797 * 2^1414137 1 106 127 * 2^1398889  1 107 1564347 * 2^1398269  1 109 192089 * 2^1395688  1 I've sent an email to Chris Caldwell.    Correcting this will push one of the nonMersennes off the oldest20 list. Last fiddled with by cheesehead on 20080807 at 02:12 
20080807, 02:17  #3 
Jul 2003
wear a mask
2×11×73 Posts 
Oh, cool! I thought the linked search was just an interesting list of old primes. Glad to see it was actually useful as an error check.

20080807, 05:43  #4 
6809 > 6502
"""""""""""""""""""
Aug 2003
101×103 Posts
3×5×7^{2}×13 Posts 

20080807, 15:20  #5 
Jul 2003
wear a mask
1606_{10} Posts 
New Link

20080807, 17:13  #6 
"Lucan"
Dec 2006
England
2·3·13·83 Posts 
Why the prevalence of k2^n + 1 over k2^n  1
among nonMersennes? Last fiddled with by davieddy on 20080807 at 17:17 
20080807, 23:46  #7 
"Richard B. Woods"
Aug 2002
Wisconsin USA
2^{2}×3×641 Posts 
Caldwell replied that what I noticed was an unintended side effect of verifications he was performing. "But, as you noticed, if you downloaded while it was verifying, then it did not show on the list. I'll fix that."
However, what I actually reported to Caldwell was that M35 was missing from http://primes.utm.edu/primes/lists/all.pdf. I didn't mention that it was missing from http://primes.utm.edu/primes/search.php?MinAge=2860. I suppose his fix covered that, too. Last fiddled with by cheesehead on 20080808 at 00:11 
20080808, 00:13  #8  
"Richard B. Woods"
Aug 2002
Wisconsin USA
17014_{8} Posts 
Quote:
Perhaps what you're getting is not the 20 oldest primes on the Top 5000 list, but the 20 largest primes older than 2860, or 2865, days, respectively? In that case, a few days from now http://primes.utm.edu/primes/search.php?MinAge=2860 and http://primes.utm.edu/primes/search.php?MinAge=2865 may return identical results. Last fiddled with by cheesehead on 20080808 at 00:24 

20080825, 00:25  #9  
"Richard B. Woods"
Aug 2002
Wisconsin USA
2^{2}·3·641 Posts 
Quote:


20080827, 12:31  #10 
Jun 2003
Oxford, UK
1,933 Posts 

Thread Tools  
Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Report top5000 primes here  gd_barnes  Conjectures 'R Us  927  20210504 01:07 
Report top5000 primes for all k<=1001  gd_barnes  No Prime Left Behind  1499  20210330 22:04 
tool to help with Top 5000 list  MiniGeek  Lounge  6  20080504 03:19 
get all the 5000 biggest primes above 100K digits  jasong  jasong  1  20070609 22:51 
Top5000 List  edorajh  Riesel Prime Search  17  20060328 21:57 