20090119, 14:27  #23 
May 2007
Kansas; USA
2·3^{2}·5·113 Posts 
1663*2^3560151 is prime

20090119, 14:57  #24 
Jan 2006
deep in a whileloop
658_{10} Posts 
Hundreds of them:
http://stats.ironbits.net/statsnew/p...st.php?a=reset updated every hour  it will drive the mailer Last fiddled with by AMDave on 20090119 at 15:18 
20090119, 20:19  #25 
I ♥ BOINC!
Oct 2002
Glendale, AZ. (USA)
3×7×53 Posts 
1577*2^3566161 is prime!
confirmed 
20090120, 00:12  #26 
I quite division it
"Chris"
Feb 2005
England
31×67 Posts 
1671*2^3571101 is prime.

20090120, 00:13  #27  
May 2007
Kansas; USA
10011110111010_{2} Posts 
Quote:
I meant new, as in reportable top5000 primes, on the 8th drive. I assume that the mailer knows not to send Emails on port 9000. Thanks, Gary 

20090120, 00:16  #28 
May 2007
Kansas; USA
10170_{10} Posts 
1517*2^3563841 is confirmed prime
1617*2^3564621 is prime 1487*2^3565061 is confirmed prime 1623*2^3569361 is prime Very odd: Where'd all the k=17002000 primes go on the 8th drive? On the entire drive, we've had a total of 2 new primes and 1 confirmed prime for that range. For k=14001700, we've had multitudes of them. Gary Last fiddled with by gd_barnes on 20090120 at 00:17 
20090120, 17:47  #29 
May 2007
Kansas; USA
2·3^{2}·5·113 Posts 
1403*2^3591461 is confirmed prime
1609*2^3592091 is prime I think k=17002000 is a nearly barren range! For n=350K to the current processing limit, we have: 23 total primes for k=14001700 3 total primes for k=17002000 This includes confirmed primes so is not biased by previous searching in any way. As Chris is fond of me saying: Primes are very strange! Gary 
20090120, 21:45  #30  
I quite division it
"Chris"
Feb 2005
England
31·67 Posts 
Quote:
This sort of thing used to drive me nuts when I would do (semi)fixed n tests. Five primes for one n, then none for the next etc. Last fiddled with by Flatlander on 20090120 at 21:46 

20090121, 02:52  #31 
May 2007
Kansas; USA
10170_{10} Posts 
1785*2^3597251 is confirmed prime
We've completed n=350K360K minus some stragglers. The unofficial final count is: k=14001700 23 primes k=17002000 4 primes 
20090121, 08:01  #32 
May 2007
Kansas; USA
2·3^{2}·5·113 Posts 
1625*2^3613061 is prime
This is getting stranger by the minute: Now, in addition to the previous ridiculous ratio of k=14001700 vs. 17002000 primes, we have an unbelievable 9 CONSECUTIVE NEW primes for k=16001700!! Although this is a little biased towards the k=16001700 and 18002000 ranges that have had little searching done on them...9 consecutive in a k=100 range? Come on, what's going on here? Where are the k=18002000 primes as well as others from many k's that haven't been searched for k=14001600 & 17001800? Counting all primes to remove any bias from ones previously found, since n=350K, we now have: Code:
kvalue # primes 14001500 6 15001600 6 16001700 12 17001800 2 18001900 0 19002000 2 Not only are primes strange, they can be downright bizarre! It's things like this that lead one to conclude that primes are not random and is a large part of the reason that we search huge ranges of k and n all at once...to ultimately help decipher the "code" of primes. Gary Last fiddled with by gd_barnes on 20090121 at 08:06 
20090121, 12:43  #33 
Account Deleted
"Tim Sorbera"
Aug 2006
San Antonio, TX USA
17×251 Posts 
What's the average weight (or combined weight or something) of the k's in 16001700 vs the other k=100 ranges? Also, I'd bet that if somebody worked the math out, this is bound to happen some time or another, just like GIMPS's two primes two weeks apart, which seems impossibly unlikely, but it worked out to be a decent probability over as much time as GIMPS has been around and assuming 1 prime/year (which they shouldn't 'expect', by prime heuristics, but they seem to be in a dense area of Mersennes).

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