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Forum: Riesel Prime Data Collecting (k*2^n-1) 2011-11-17, 08:43
Replies: 7
Views: 5,879
Posted By kar_bon
To bring this thread on top (the last one minutes...

To bring this thread on top (the last one minutes ago :-) and according to the lastest TPS Debut Rally: November 15-16 (http://www.mersenneforum.org/showthread.php?t=16184) and the related Operation...
Forum: Riesel Prime Data Collecting (k*2^n-1) 2008-12-17, 12:44
Replies: 7
Views: 5,879
Posted By kar_bon
k-values with most Sophie-Germain pairs listed ...

k-values with most Sophie-Germain pairs listed

The k-value for k*2n-1 with the most Sophie-Germain pairs listed in the Database so far is:

k=2037910875 (Nash-weight=6013)

9 SG's found upto...
Forum: Riesel Prime Data Collecting (k*2^n-1) 2008-12-17, 12:41
Replies: 7
Views: 5,879
Posted By kar_bon
k-values with most twins listed The k-value...

k-values with most twins listed

The k-value for k*2n-1 with the most twins listed in the Database so far is:

k=7985650262654529465 (Nash-weight=7081)

13 twins found upto n=10k tested by...
Forum: Riesel Prime Data Collecting (k*2^n-1) 2008-12-17, 12:39
Replies: 7
Views: 5,879
Posted By kar_bon
k-values with most primes listed The k-value...

k-values with most primes listed

The k-value for k*2n-1 with the most primes listed in the Database so far is:

k=37850187375 (Nash-weight=7261)

158 primes found upto n=515k; the 100th prime...
Forum: Riesel Prime Data Collecting (k*2^n-1) 2008-12-17, 12:16
Replies: 7
Views: 5,879
Posted By kar_bon
Different k-values with similiar n-values ...

Different k-values with similiar n-values

The first note here is about the appearance of primes with high n (same n or near by) and different k-values.

I've compared all k<2000 with all (so far...
Forum: Riesel Prime Data Collecting (k*2^n-1) 2008-12-17, 10:55
Replies: 7
Views: 5,879
Posted By kar_bon
Something curious, remarkable, abnormal,...

Something curious, remarkable, abnormal,...

Here is the place for things that looks curious about Riesel-Primes or something remarkable not shown anywhere.

Perhaps you found a rule to calculate...
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