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Search: Posts Made By: John Renze
Forum: Twin Prime Search 2006-09-01, 19:13
Replies: 144
Views: 10,078
Posted By John Renze
420922665*2^195000-1 is prime! Time : 100.710...

420922665*2^195000-1 is prime! Time : 100.710 sec.
424477077*2^195000-1 is prime! Time : 122.787 sec.
426405705*2^195000-1 is prime! Time : 105.497 sec.
428302287*2^195000-1 is prime! Time :...
Forum: Twin Prime Search 2006-09-01, 19:01
Replies: 159
Views: 5,449
Posted By John Renze
420M- 450M complete Primes posted to relevant...

420M- 450M complete
Primes posted to relevant thread
Forum: Twin Prime Search 2006-07-25, 13:11
Replies: 159
Views: 5,449
Posted By John Renze
Checking out: 420M-450M

Checking out: 420M-450M
Forum: Twin Prime Search 2006-07-20, 03:08
Replies: 144
Views: 10,078
Posted By John Renze
377244717*2^195000-1 is prime! Time : 102.451...

377244717*2^195000-1 is prime! Time : 102.451 sec.
380456043*2^195000-1 is prime! Time : 122.478 sec.
383048475*2^195000-1 is prime! Time : 109.271 sec.
384569127*2^195000-1 is prime! Time :...
Forum: Twin Prime Search 2006-07-20, 03:03
Replies: 159
Views: 5,449
Posted By John Renze
375M-400M complete, 7 primes found

375M-400M complete, 7 primes found
Forum: Twin Prime Search 2006-07-05, 01:31
Replies: 159
Views: 5,449
Posted By John Renze
Completed: 272M-275M, no primes found Checking...

Completed: 272M-275M, no primes found
Checking out: 375M-400M
Forum: Twin Prime Search 2006-07-03, 03:39
Replies: 159
Views: 5,449
Posted By John Renze
Sorry, I need to read the directions better......

Sorry, I need to read the directions better... I'll take 272M-275M.
Forum: Twin Prime Search 2006-07-02, 14:45
Replies: 159
Views: 5,449
Posted By John Renze
Checking out: 500M-525M Where are the...

Checking out: 500M-525M

Where are the NewPGen files?
Forum: Twin Prime Search 2006-06-29, 22:53
Replies: 144
Views: 10,078
Posted By John Renze
310051095*2^195000-1 is prime! Time : 119.826...

310051095*2^195000-1 is prime! Time : 119.826 sec.
310482993*2^195000-1 is prime! Time : 115.313 sec.
322226817*2^195000-1 is prime! Time : 107.420 sec.
323072235*2^195000-1 is prime! Time :...
Forum: Twin Prime Search 2006-06-29, 22:03
Replies: 159
Views: 5,449
Posted By John Renze
310M-325M complete, 4 primes found

310M-325M complete, 4 primes found
Forum: Twin Prime Search 2006-06-23, 13:46
Replies: 115
Views: 8,885
Posted By John Renze
Numbers, this was the very first step taken by...

Numbers, this was the very first step taken by the sieve. In fact, unless I am reading your comment wrong, "sieving" is simply generalizing this to primes > 3. For an odd prime p, there are always...
Forum: Twin Prime Search 2006-06-19, 17:36
Replies: 159
Views: 5,449
Posted By John Renze
Yes, thanks for pointing that out. I'll do...

Yes, thanks for pointing that out. I'll do 310-325 only.
Forum: Twin Prime Search 2006-06-19, 16:21
Replies: 159
Views: 5,449
Posted By John Renze
Checking out: 310M-330M

Checking out: 310M-330M
Forum: Twin Prime Search 2006-06-07, 12:11
Replies: 144
Views: 10,078
Posted By John Renze
40M-100M: 11 primes 48407103*2^195000-1 ...

40M-100M: 11 primes

48407103*2^195000-1
56985075*2^195000-1
62205915*2^195000-1
62977983*2^195000-1
66532947*2^195000-1
69833703*2^195000-1
76110153*2^195000-1
89562585*2^195000-1
Forum: Twin Prime Search 2006-06-07, 12:02
Replies: 38
Views: 3,082
Posted By John Renze
40M-100M completed (11 primes found)

40M-100M completed (11 primes found)
Forum: Twin Prime Search 2006-06-06, 13:57
Replies: 38
Views: 3,082
Posted By John Renze
Hi MooooMoo, I didn't see your message until...

Hi MooooMoo,

I didn't see your message until today. My (rather large) range will be done sometime tomorrow.

John
Forum: Twin Prime Search 2006-06-06, 02:13
Replies: 14
Views: 1,621
Posted By John Renze
There are good reasons why +/-1 is required. ...

There are good reasons why +/-1 is required. Read up on these algorithms at:

http://primes.utm.edu/prove/index.html

The twin prime search is using the "classical methods" described in Section...
Forum: Factoring 2006-06-05, 00:42
Replies: 24
Views: 2,872
Posted By John Renze
The second stage of ECM is described at the...

The second stage of ECM is described at the beginnng of Section 7.4.2 in C&P. It is analogous to the second stage of Pollard p-1.
Forum: Hobbies 2006-05-25, 22:25
Replies: 14
Views: 1,773
Posted By John Renze
Playing: Cycling and swimming (play chess, too,...

Playing: Cycling and swimming (play chess, too, but don't consider it a sport)
Watching: American football
Forum: Twin Prime Search 2006-05-08, 17:42
Replies: 38
Views: 3,082
Posted By John Renze
Thanks for the offer, biwema. As it turns out, I...

Thanks for the offer, biwema. As it turns out, I sieved that range to just past 17T before I began LLR testing.
Forum: Twin Prime Search 2006-05-02, 13:13
Replies: 38
Views: 3,082
Posted By John Renze
Checking in: 100K-1M Complete, no primes ...

Checking in:

100K-1M Complete, no primes
1.5M-10M Complete, primes at k=4610793,5612337,5647677,8507607
No twins

Checking out:

40M-100M
Forum: Twin Prime Search 2006-04-25, 14:41
Replies: 38
Views: 3,082
Posted By John Renze
On second thought, the ranges should be a bit...

On second thought, the ranges should be a bit bigger than that. I'll go to 10M instead.

Edit: Sorry, victor. Didn't see you there. 1-1.5 M is yours. I'll still go ahead and sieve the rest up...
Forum: Twin Prime Search 2006-04-25, 13:44
Replies: 38
Views: 3,082
Posted By John Renze
I'll take 100K-1M

I'll take 100K-1M
Forum: Factoring 2006-04-10, 23:26
Replies: 1,810
Views: 131,446
Posted By John Renze
The factors of the C88 are: ...

The factors of the C88 are:

1315651155909947565347700897218133001
1338208112877762546551051364373633349610010436196551
Forum: Factoring 2006-04-10, 21:11
Replies: 1,810
Views: 131,446
Posted By John Renze
The C87 cofactor of 3^636-2^363 factors thusly: ...

The C87 cofactor of 3^636-2^363 factors thusly:

51367404262568392429656240517252067923 x 7705482404964763837578788370404060262063595624219

This factorization was found using Msieve v. 1.01.
Showing results 1 to 25 of 48

 
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