mersenneforum.org  

Go Back   mersenneforum.org > Search Forums

Showing results 1 to 25 of 74
Search took 0.01 seconds.
Search: Posts Made By: Terrence Law
Forum: Lounge 2009-01-02, 22:47
Replies: 11
Views: 772
Posted By Terrence Law
No, it's a Mersenne prime with around 20M digits.

No, it's a Mersenne prime with around 20M digits.
Forum: Lounge 2008-12-27, 03:01
Replies: 11
Views: 772
Posted By Terrence Law
I wished a new Mersenne prime was discovered just...

I wished a new Mersenne prime was discovered just a few days ago, just like Christmas in 2005.
Forum: Math 2008-12-27, 02:15
Replies: 96
Views: 11,838
Posted By Terrence Law
Testing Larger Wagstaff Numbers

How about testing the compositeness for the Wagstaff numbers W6972593, W20996011, W30402457 and W32582657 to satisfy the New Mersenne Conjecture?
Forum: Miscellaneous Math 2008-11-03, 02:52
Replies: 57
Views: 4,509
Posted By Terrence Law
This same number is far too big for large factors.

This same number is far too big for large factors.
Forum: Miscellaneous Math 2008-11-03, 02:51
Replies: 57
Views: 4,509
Posted By Terrence Law
This number ((2^(2^127-1)+1)/3) has been...

This number ((2^(2^127-1)+1)/3) has been trial-factored up to 2^149.
Forum: Lounge 2008-11-03, 02:35
Replies: 55
Views: 3,746
Posted By Terrence Law
Prediction for the Next Mersenne Prime

I predict that the next Mersenne prime will be around 95M, discovered in May 2011. The gaps between the recent Mersenne primes are short. There are four-digit Mersenne prime exponents which start...
Forum: Miscellaneous Math 2008-11-02, 00:09
Replies: 57
Views: 4,509
Posted By Terrence Law
On The Way To Proving (2^(2^127-1)+1)/3 Is Prime

Yes, no small factors has been found, so N is prime.
Forum: Miscellaneous Math 2008-11-01, 23:54
Replies: 57
Views: 4,509
Posted By Terrence Law
(2^(2^127-1)+1)/3 Is Prime

Will Edgington's Mersenneplustwo factorization needs to be updated.
Here are the statistics for that Wagstaff number:

Mersenne Prime#: ~225
Exponent: M127
E(f(M+2)): 88.7
Prime factors: 2...
Forum: Miscellaneous Math 2008-11-01, 23:53
Replies: 57
Views: 4,509
Posted By Terrence Law
The status for the Double Mersenne factor search...

The status for the Double Mersenne factor search needs to be updated like this:

M( M( 127 ) )P

The rest of the information on this website doesn't need to be changed.
Forum: Operazione Doppi Mersennes 2008-11-01, 23:51
Replies: 100
Views: 16,526
Posted By Terrence Law
Double Mersenne factor search

The status for the Double Mersenne factor search needs to be updated like this:

M( M( 127 ) )P

The rest of the information on this website doesn't need to be changed.
Forum: Math 2008-11-01, 23:44
Replies: 96
Views: 11,838
Posted By Terrence Law
(2^(2^127-1)+1)/3 Is Prime

Will Edgington's Mersenneplustwo factorization needs to be updated.
Here are the statistics for that Wagstaff number:

Mersenne Prime#: ~225
Exponent: M127
E(f(M+2)): 88.7
Prime factors: 2...
Forum: Miscellaneous Math 2008-10-30, 01:16
Replies: 57
Views: 4,509
Posted By Terrence Law
Question Factors Of Some Wagstaff Numbers

What factors have you found for (MM31+2)/3, (MM61+2)/3,
(MM89+2)/3 and (MM107+2)/3 using modulo calculations? These numbers are
(2^(2^31-1)+1)/3, (2^(2^61-1)+1)/3, (2^(2^89-1)+1)/3 and ...
Forum: Math 2008-10-29, 21:28
Replies: 96
Views: 11,838
Posted By Terrence Law
How I Tested The Huge Wagstaff Number W(1.7e38)

I tested that huge Wagstaff number using ECPP on a super-fast yottahertz Windows XP computer.
Forum: Miscellaneous Math 2008-10-29, 21:15
Replies: 57
Views: 4,509
Posted By Terrence Law
Proof Of The Huge Wagstaff Prime

The Catalan-Mersenne sequence always produces primes.

The number MM127 = 2^(2^127-1)-1 will be found to be a Mersenne prime and if the exponent n=2^p-1 is prime, then the Mersenne number 2^n-1 and...
Forum: Miscellaneous Math 2008-10-28, 21:00
Replies: 57
Views: 4,509
Posted By Terrence Law
Factors Of Some Wagstaff Numbers

What factors have you found for (MM31+2)/3, (MM61+2)/3,
(MM89+2)/3 and (MM107+2)/3 using modulo calculations? These numbers are
(2^(2^31-1)+1)/3, (2^(2^61-1)+1)/3, (2^(2^89-1)+1)/3 and ...
Forum: Operazione Doppi Mersennes 2008-10-22, 23:33
Replies: 100
Views: 16,526
Posted By Terrence Law
Status Of The Double Mersenne Numbers

M(M(2)) is a 1-digit prime.
M(M(3)) is a 3-digit prime.
M(M(5)) is a 10-digit prime.
M(M(7)) is a 39-digit prime.
M(M(13)) is a 2,466-digit composite.
M(M(17)) is a 39,457-digit composite. ...
Forum: Math 2008-10-22, 02:48
Replies: 96
Views: 11,838
Posted By Terrence Law
Oops... I forgot to type these Wagstaff primes. ...

Oops... I forgot to type these Wagstaff primes.

We are good for all Q being prime numbers from 3 to 374321 inclusive, 986191 and 170141183460469231731687303715884105727 now.

Wagstaff Prime...
Forum: Math 2008-10-22, 00:05
Replies: 96
Views: 11,838
Posted By Terrence Law
The Known Wagstaff Primes So Far

We are good for all Q being prime numbers from 3 to 42737 inclusive and 170141183460469231731687303715884105727 now.


Code:
Wagstaff Prime Prover v1.0
(using Anton Vrba theorem) ...
Forum: Math 2008-10-22, 00:04
Replies: 96
Views: 11,838
Posted By Terrence Law
Forum: Miscellaneous Math 2007-05-19, 00:43
Replies: 57
Views: 4,509
Posted By Terrence Law
Cool Wagstaff Numbers or MersennePlusTwo

How about trying to find a factor for (MM89+2)/3, (MM107+2)/3 and
(MM127+2)/3 using modulo calculations? These numbers are
(2^(2^89-1)+1)/3, (2^(2^107-1)+1)/3 and (2^(2^127-1)+1)/3 respectively
...
Forum: Miscellaneous Math 2004-10-26, 23:17
Replies: 99
Views: 6,565
Posted By Terrence Law
Primality Testing MM127 Was Successful

How about the story, "Somebody showed that S170141183460469231731687303715884105727 is divisible by M170141183460469231731687303715884105727 and deducted that M170141183460469231731687303715884105727...
Forum: Miscellaneous Math 2004-10-20, 17:37
Replies: 99
Views: 6,565
Posted By Terrence Law
Divisibility Of Numbers

Nobody knows whether S170141183460469231731687303715884105727, which is part of the Lucas-Lehmer sequence, is divisible by M170141183460469231731687303715884105727.
Forum: Miscellaneous Math 2004-10-17, 21:25
Replies: 99
Views: 6,565
Posted By Terrence Law
The Largeness Of A Number

The number S170141183460469231731687303715884105727 is unimaginably large in the Lucas-Lehmer Sequence.
Forum: Miscellaneous Math 2004-10-17, 21:23
Replies: 99
Views: 6,565
Posted By Terrence Law
Divisibility Of Numbers

Nobody knows whether S170141183460469231731687303715884105727 is divisible by M170141183460469231731687303715884105727.

It is not feasible to perform the calculation using the long division method.
Forum: Miscellaneous Math 2004-10-17, 21:22
Replies: 99
Views: 6,565
Posted By Terrence Law
Primality Testing MM127 Was Successful

How about the story, "Somebody showed that S170141183460469231731687303715884105727 is divisible by M170141183460469231731687303715884105727 and deducted that M170141183460469231731687303715884105727...
Showing results 1 to 25 of 74

 
All times are UTC. The time now is 05:56.

Fri Dec 4 05:56:13 UTC 2020 up 1 day, 2:07, 0 users, load averages: 1.26, 1.09, 1.06

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2020, Jelsoft Enterprises Ltd.

This forum has received and complied with 0 (zero) government requests for information.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation.
A copy of the license is included in the FAQ.