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Search: Posts Made By: lsoule
Forum: 15k Search 2005-04-11, 17:06
Replies: 13
Views: 13,365
Posted By lsoule
Thanks for the info smh and TTn. I'll take a...

Thanks for the info smh and TTn. I'll take a look at fixed-n sieving.

Now that I've tried out some of the k's in my table, I have another question.
Some k's like 8331405 have 14 primes in the...
Forum: 15k Search 2005-04-02, 21:38
Replies: 13
Views: 13,365
Posted By lsoule
Just for the sake of completeness, I've updated...

Just for the sake of completeness, I've updated the table this time
searching for all primes with n>100k. My previous list just searched
for primes currently on the top-5000 list...

...
Forum: 15k Search 2005-03-17, 03:10
Replies: 13
Views: 13,365
Posted By lsoule
No problem taking 25935. The only other one I'm...

No problem taking 25935. The only other one I'm trying out is 6555.
Forum: 15k Search 2005-03-16, 14:50
Replies: 13
Views: 13,365
Posted By lsoule
This one found 5 prime from n=183-221k. Based on...

This one found 5 prime from n=183-221k. Based on the estimates
above, I only expected one prime, but happily surprised:
8331405*2^207555-1
8331405*2^205885-1
8331405*2^199127-1...
Forum: 15k Search 2005-03-15, 19:53
Replies: 13
Views: 13,365
Posted By lsoule
The fastest way to a top-5000 prime?

I’ve been searching for primes of the form k*2^n-1 with the 15k project for a while now and became interested in finding candidates, k, that would produce a top-5000 prime the fastest. How long it...
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