Forum: Math
2006-02-21, 23:47
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Replies: 4
Views: 4,168
I came across this sieve at...
I came across this sieve at http://en.wikipedia.org/wiki/Sieve_of_Atkin.
From their explaination all it really does is get rid of all multiples of 2, 3 and 5, then perform a sieve of eratosthenes....
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Forum: Math
2004-11-27, 22:10
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Replies: 14
Views: 3,246
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Forum: Math
2004-11-27, 03:11
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Replies: 14
Views: 3,246
What the hell does that have to do with my...
What the hell does that have to do with my question?
What does knowing the prime factors of p+1 have to do with the lucas lehmer algorithm? I fail to see the correlation..
How does s(n) =...
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Forum: Math
2004-11-27, 01:44
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Replies: 14
Views: 3,246
Does anyone know "why" LL testing works?
If I understand correctly the theory behind the LL algorithm states:
The number 2^p -1 is a mersenne prime if and only if you put it through p-2 iterations of "s(n) = s(n-1)^2 -2",
and it modulo's...
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Forum: Lone Mersenne Hunters
2004-05-20, 05:44
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Replies: 13
Views: 1,883
[Mon May 03 08:03:34 2004]
UID:...
[Mon May 03 08:03:34 2004]
UID: S181600/CF671E708, M38511839 no factor to 2^64, WZ1: 71AD004A
[Mon May 03 10:04:47 2004]
UID: S181600/CF671E708, M38511883 no factor to 2^64, WZ1: 71BC004A
[Mon...
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Forum: Lone Mersenne Hunters
2004-05-20, 05:43
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Replies: 13
Views: 1,883
[Thu Apr 22 17:03:56 2004]
UID:...
[Thu Apr 22 17:03:56 2004]
UID: S181600/CF671E708, M38507881 no factor to 2^64, WZ1: 71B20046
[Thu Apr 22 19:20:24 2004]
UID: S181600/CF671E708, M38507929 no factor to 2^64, WZ1: 71A9004A
[Thu...
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Forum: Lone Mersenne Hunters
2004-05-20, 05:42
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Replies: 13
Views: 1,883
[Sat Apr 10 02:14:28 2004]
UID:...
[Sat Apr 10 02:14:28 2004]
UID: S181600/CF671E708, M38504197 no factor to 2^64, WZ1: 71A80040
[Sat Apr 10 04:16:09 2004]
UID: S181600/CF671E708, M38504287 no factor to 2^64, WZ1: 718F0043
[Sat...
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Forum: Lone Mersenne Hunters
2004-05-20, 05:40
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Replies: 13
Views: 1,883
[Tue Mar 30 17:24:41 2004]
UID:...
[Tue Mar 30 17:24:41 2004]
UID: S181600/CF671E708, M42018157 completed P-1, B1=475000, B2=11756250, WZ1: 3FB5FB48
[Thu Apr 01 03:26:37 2004]
UID: S181600/CF671E708, M38500001 no factor to 2^64,...
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Forum: Lone Mersenne Hunters
2004-05-20, 00:31
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Replies: 13
Views: 1,883
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Forum: Lone Mersenne Hunters
2004-05-18, 23:09
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Replies: 13
Views: 1,883
Anyone want some factoring credit?
I've mostly been using prime95 to break in my new p4, but in the process I have factored some 350 numbers in the M38.5 million range from 60 bits (previously factored) to 64 bits. I used the latest...
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Forum: Hardware
2004-04-29, 00:21
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Replies: 8
Views: 1,619
I dont believe he means data loss.. there is a...
I dont believe he means data loss.. there is a critical problem with raid 0 where if one drive "breaks" you lose ALL your data due to the way the data is striped on the disks.
this is not a huge...
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Forum: Hardware
2004-04-28, 23:12
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Replies: 5
Views: 2,725
here are a couple of times for LL/TF trials I...
here are a couple of times for LL/TF trials I have run on my own p4 machine.
Times for LL/TF running a single application are:
.078 sec for LL
.0096 sec for TF at 63 bits
.0117 sec for TF at...
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Forum: Lounge
2004-04-01, 23:37
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Replies: 7
Views: 2,127
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Forum: Hardware
2004-03-29, 23:21
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Replies: 10
Views: 1,518
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Forum: Hardware
2004-03-29, 01:34
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Replies: 10
Views: 1,518
If its a 3ghz machine it should have no trouble...
If its a 3ghz machine it should have no trouble running prime95. I dont know why changing it from 8 to 30mb would make it crash (unless you only have 32mb of ram). Its doubtful you have burned out...
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Forum: Hardware
2004-03-29, 00:06
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Replies: 10
Views: 1,518
Can you post some more detailed specs on your...
Can you post some more detailed specs on your dads computer? Do you know the proccessor type/speed, and ram speed/timings?
Also, what exactly happens when you try to boot the computer? Does any...
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Forum: Lounge
2004-03-28, 07:13
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Replies: 5
Views: 1,992
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Forum: Lounge
2004-03-28, 05:56
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Replies: 9
Views: 1,990
I have done some testing to make sure my system...
I have done some testing to make sure my system is working. I had a few rounding and sumout errors that I fixed by adjusting my ram timings. Since then it has passed the torture tests, and has been...
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Forum: Lounge
2004-03-28, 05:29
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Replies: 9
Views: 1,990
So P-1 is very ram intensive? I have a gig of...
So P-1 is very ram intensive? I have a gig of ram running at 920mhz, I dont think that will be much of a problem. Does it matter if I do the P-1, or TF first?
I'm not expecting to really find...
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Forum: Hardware
2004-03-28, 05:01
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Replies: 9
Views: 3,892
I recently ran into a similar situation while I...
I recently ran into a similar situation while I was overclocking my computer. No matter what I did to the cpu, I kept getting all kinds of rounding errors, a few sumout, and the occasional fatal bad...
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Forum: Lounge
2004-03-28, 04:02
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Replies: 9
Views: 1,990
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Forum: Lounge
2004-03-28, 02:01
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Replies: 9
Views: 1,990
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Forum: Lounge
2004-03-27, 22:58
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Replies: 9
Views: 1,990
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Forum: Hardware
2004-03-27, 21:23
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Replies: 897
Views: 245,215
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