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Forum: Riesel Prime Data Collecting (k*2^n-1) 2013-09-11, 19:49
Replies: 26
Views: 13,425
Posted By gd_barnes
Karsten, Did the primes really "stop"...

Karsten,

Did the primes really "stop" coming at n=519716 on a search to n=1M for so many heavy weight k's?


Gary
Forum: Riesel Prime Data Collecting (k*2^n-1) 2008-12-04, 09:38
Replies: 26
Views: 13,425
Posted By gd_barnes
I think a better question is: What is the LOWEST...

I think a better question is: What is the LOWEST k with 150 primes for n < 1M ?

That would be an interesting project to come up with an answer for.
Forum: Riesel Prime Data Collecting (k*2^n-1) 2008-11-28, 21:22
Replies: 26
Views: 13,425
Posted By gd_barnes
I think he either searched the wrong k or only...

I think he either searched the wrong k or only searched n=110k to 132k. It was surprising how many primes were coming before it just died off for n>70k.
Forum: Riesel Prime Data Collecting (k*2^n-1) 2008-11-28, 12:41
Replies: 26
Views: 13,425
Posted By gd_barnes
Here is the most erroneous post in the history of...

Here is the most erroneous post in the history of prime searching:
http://www.mersenneforum.org/showpost.php?p=5422&postcount=153.

The post states that the person searched k=890505 to n=132K...
Forum: Riesel Prime Data Collecting (k*2^n-1) 2008-11-28, 12:17
Replies: 26
Views: 13,425
Posted By gd_barnes
Here are primes for many high-weight 15 k's in...

Here are primes for many high-weight 15 k's in the k=400K-1.4M range that currently show zero primes. The search limit was n=10K with the exception of one k that I will show in a separate post.

...
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