Where the next prime will be? - Page 2

Mystwalker · 2004-12-22, 22:11

Quote:

Originally Posted by Mystwalker

In late H2/2005[...]

I meant H1/2005 here...

Prime95 · 2004-12-22, 23:23

Quote:

Originally Posted by Citrix

I am busy buying a laptop right now, but I can't decide if I should go with a intel p4, p4 M or Pentium M. Does anyone have any experience with these, or are there any good resources available for me to decide between the 3?

If you are going to run llrp4 then the mobile P4 is much faster than the Pentium M. However it generates heat and may reduce the life of the laptop.

Citrix · 2004-12-25, 07:35

Thanks for your help. I had to go with an Intel Celeron as that was the cheapest in the market. Let me see how much contribution I can make to the project with the new laptop.

Citrix

Prime95 · 2004-12-25, 14:50

The Celeron is just as fast as the P4. You'll zip through the PRP tests

Citrix · 2004-12-25, 17:45

So do I then use LLR4/PRP3 that is the best for P4's.

Citrix

Prime95 · 2004-12-25, 19:18

Yes, either LLRP4 or PRP3 is perfect.

ltd · 2004-12-25, 20:48

I found in my tests that LLRP4 in the latest version creates residues that are different to the PRP3 and LLRnet residues so please use PRP3 if you can.

Lars

Citrix · 2004-12-26, 01:39

May be both of them use a different base? Not sure, but we should figure this out.

Does anyone know?

Citrix

Citrix · 2004-12-31, 07:40

Just an FYI, based on the frequencies data we are supposed to find 5 primes in the range n=2^20 to 2^21 which is n from 1.05 M to 2.1 M.

Since we are at 1.35 M and about 0.75M is left to be searched we might find a prime every .15M or every 6000 test we do.

Also since we are doing ~3000 test per month, this means that we should find a prime every two months.

Lets see when and which k goes first.

Citrix

Mystwalker · 2005-01-24, 21:10

Quote:

Originally Posted by Citrix

Just an FYI, based on the frequencies data we are supposed to find 5 primes in the range n=2^20 to 2^21 which is n from 1.05 M to 2.1 M.

Since we are at 1.35 M and about 0.75M is left to be searched we might find a prime every .15M or every 6000 test we do.

Also since we are doing ~3000 test per month, this means that we should find a prime every two months.

Lets see when and which k goes first.

Citrix

My expectation was wrong - the prime came earlier. I'm not exactly sad, though.

View Poll Results: In what range will be find our next prime?
Under 1.1 Million	1	5.26%
Between 1.1 and 1.3 Million	6	31.58%
Between 1.3 and 1.5 Million	5	26.32%
Between 1.5 and 2.0 Million	4	21.05%
Above 2.0 Million	3	15.79%
Voters: 19. You may not vote on this poll

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2004-12-25, 07:35	#14
Citrix Jun 2003 11000101110₂ Posts	Thanks for your help. I had to go with an Intel Celeron as that was the cheapest in the market. Let me see how much contribution I can make to the project with the new laptop. Citrix

2004-12-25, 14:50	#15
Prime95 P90 years forever! Aug 2002 Yeehaw, FL 2×53×71 Posts	The Celeron is just as fast as the P4. You'll zip through the PRP tests

2004-12-25, 17:45	#16
Citrix Jun 2003 3056₈ Posts	So do I then use LLR4/PRP3 that is the best for P4's. Citrix

2004-12-25, 19:18	#17
Prime95 P90 years forever! Aug 2002 Yeehaw, FL 2×53×71 Posts	Yes, either LLRP4 or PRP3 is perfect.

2004-12-25, 20:48	#18
ltd Apr 2003 2²×193 Posts	I found in my tests that LLRP4 in the latest version creates residues that are different to the PRP3 and LLRnet residues so please use PRP3 if you can. Lars

2004-12-26, 01:39	#19
Citrix Jun 2003 11000101110₂ Posts	May be both of them use a different base? Not sure, but we should figure this out. Does anyone know? Citrix

2004-12-31, 07:40	#20
Citrix Jun 2003 2·7·113 Posts	Just an FYI, based on the frequencies data we are supposed to find 5 primes in the range n=2^20 to 2^21 which is n from 1.05 M to 2.1 M. Since we are at 1.35 M and about 0.75M is left to be searched we might find a prime every .15M or every 6000 test we do. Also since we are doing ~3000 test per month, this means that we should find a prime every two months. Lets see when and which k goes first. Citrix