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Search: Posts Made By: Prime95
Forum: Data 2021-04-25, 04:30
Replies: 23
Views: 4,779
Posted By Prime95
I did not.

I did not.
Forum: Data 2021-04-14, 03:33
Replies: 23
Views: 4,779
Posted By Prime95
Yes, useless. I'm not even sure it will be...

Yes, useless.

I'm not even sure it will be useful to the let's get number of unfactored exponents below 20M crowd.

The biggest advantage I see to studying P+1 is that stage 2 should be faster...
Forum: Data 2021-04-14, 00:09
Replies: 23
Views: 4,779
Posted By Prime95
Lookup M4933 at mersenne.ca to see how 14620......

Lookup M4933 at mersenne.ca to see how 14620... factors.

To make understanding the P+1 algorithm even more complicated, the 50% of the time the algorithm misses P+1 factors, the algorithm was...
Forum: Data 2021-04-14, 00:04
Replies: 23
Views: 4,779
Posted By Prime95
Caveat: I'm not a P+1 expert. When we...

Caveat: I'm not a P+1 expert.



When we do P-1 on Mersenne numbers factors are of the form f=2kp+1, thus we find a factor f when k=(f-1)/(2p) is B1/B2-smooth.

With P+1, factors are of the...
Forum: Data 2021-04-13, 20:18
Replies: 23
Views: 4,779
Posted By Prime95
P+1 stage 1 would be a little less than twice as...

P+1 stage 1 would be a little less than twice as slow as P-1 stage 1.
P+1 stage 2 would be a little faster than P-1 stage 2.

If prime95 supported P+1 it might produce output like this for a 2/7...
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