Other Primes - Page 5

Cruelty · 2008-03-10, 08:40

Thanks

I am testing both k=2 and k=4 using PRP v.24.14 currently @ n=315000.

Cruelty · 2008-03-13, 07:53

Kosmaj · 2008-03-17, 12:37

Yes, it's

24518^262144+1 (1150678 digits)

The new largest Generalized Fermat prime, found by Stephen Scott.
Currently ranked 13th.

Congrats!

Cruelty · 2008-04-07, 15:59

Looks like we won't defend our current position in terms of score

Kosmaj · 2008-04-07, 20:45

It's huge, congrats to them!

But it's reported jointly by two projects and they will share
credit, so we won't be far behind.

BTW, I also wonder what kind of "project" PrimeGrid is? They have reported so far twin candidates, Woodalls, and now Prime Sierpinski. They are also working on 3*2^n-1, and I heard they would like to run Proth and some generalized Woodalls. Looks to me like a team, not any particular project...

mdettweiler · 2008-04-07, 21:27

Quote:

Originally Posted by Kosmaj

It's huge, congrats to them!

But it's reported jointly by two projects and they will share
credit, so we won't be far behind.

BTW, I also wonder what kind of "project" PrimeGrid is? They have reported so far twin candidates, Woodalls, and now Prime Sierpinski. They are also working on 3*2^n-1, and I heard they would like to run Proth and some generalized Woodalls. Looks to me like a team, not any particular project...

They have lots of different "subprojects", many of which are actually just BOINC faces on existing mersenneforum prime-search projects. Each user can choose in his preferences what mix of subprojects he'd like to be assigned work from.

Kosmaj · 2008-04-07, 21:42

I meant "project" on Top-5000 rankings. Each project there is supposed to be about a particular subset of all prime types, not primes of all types.

mdettweiler · 2008-04-07, 21:44

Quote:

Originally Posted by Kosmaj

I meant "project" on Top-5000 rankings. Each project there is supposed to be about a particular subset of all prime types, not primes of all types.

Oh, I see.

Cruelty · 2008-04-17, 07:44

Here goes another megaprime Congratulations!

Kosmaj · 2008-05-02, 08:03

Congrats to RieselSieve on their latest prime
113983*2^3201175-1

with almost a million digits!

They are now 4th by score and we are 5th.

Code:

3  PrimeGrid  	           12.5  48.1833
4  Riesel Sieve Project    30    48.1155
5  Riesel Prime Search 	  616    47.9569

Cruelty · 2008-05-23, 22:07

4*3^350767-1 (167359 digits)

2008-03-10, 08:40	#45
Cruelty May 2005 1628₁₀ Posts	Thanks I am testing both k=2 and k=4 using PRP v.24.14 currently @ n=315000. Last fiddled with by Cruelty on 2008-03-10 at 08:44

2008-03-13, 07:53	#46
Cruelty May 2005 2²·11·37 Posts	Another megaprime this year.

2008-05-02, 08:03	#54
Kosmaj Nov 2003 2×1,811 Posts	Congrats to RieselSieve on their latest prime 113983*2^3201175-1 with almost a million digits! They are now 4th by score and we are 5th. Code: 3 PrimeGrid 12.5 48.1833 4 Riesel Sieve Project 30 48.1155 5 Riesel Prime Search 616 47.9569

2008-05-23, 22:07	#55
Cruelty May 2005 2²×11×37 Posts	Another k=4, b=3 prime 4*3^350767-1 (167359 digits)

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Distribution of Mersenne primes before and after couples of primes found	emily	Math	35	2022-12-21 16:32
Mersenne Primes p which are in a set of twin primes is finite?	carpetpool	Miscellaneous Math	4	2022-07-14 02:29
Patterns in primes that are primitive roots / Gaps in full-reptend primes	mart_r	Prime Gap Searches	14	2020-06-30 12:42
Conjecture about Mersenne primes and non-primes v2	Mickey1	Miscellaneous Math	1	2013-05-30 12:32
possible primes (real primes & poss.prime products)	troels munkner	Miscellaneous Math	4	2006-06-02 08:35

2008-03-17, 12:37	#47
Kosmaj Nov 2003 111000100110₂ Posts	Yes, it's 24518^262144+1 (1150678 digits) The new largest Generalized Fermat prime, found by Stephen Scott. Currently ranked 13th. Congrats!

2008-04-07, 15:59	#48
Cruelty May 2005 2²×11×37 Posts	Looks like we won't defend our current position in terms of score

2008-04-07, 20:45	#49
Kosmaj Nov 2003 2×1,811 Posts	It's huge, congrats to them! But it's reported jointly by two projects and they will share credit, so we won't be far behind. BTW, I also wonder what kind of "project" PrimeGrid is? They have reported so far twin candidates, Woodalls, and now Prime Sierpinski. They are also working on 3*2^n-1, and I heard they would like to run Proth and some generalized Woodalls. Looks to me like a team, not any particular project...

2008-04-07, 21:42	#51
Kosmaj Nov 2003 2·1,811 Posts	I meant "project" on Top-5000 rankings. Each project there is supposed to be about a particular subset of all prime types, not primes of all types.

2008-04-17, 07:44	#53
Cruelty May 2005 11001011100₂ Posts	Here goes another megaprime Congratulations!