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 lsoule 2006-05-31 14:20

From the 2nd drive:
187*2^483153-1 (145446 digits)

 lsoule 2006-05-31 21:14

And prime #100 :shock: from the first drive is:
1952775825*2^381015-1 (114707 digits)

:banana:

 amphoria 2006-06-05 19:34

62985*2^266842-1 (80333 digits)
2805*2^276468-1 (83229 digits)

 amphoria 2006-06-06 16:54

2211*2^267747-1 (80604 digits)

 amphoria 2006-06-07 05:36

2805*2^278127-1 (83729 digits)

 lsoule 2006-06-07 20:05

From the 2nd drive:
179*2^490800-1 (147748 digits)

 amphoria 2006-06-07 20:11

58695*2^268212-1 (80745 digits)
2211*2^268226-1 (80748 digits)

 amphoria 2006-06-07 20:19

From the 2nd drive:

181*2^491487-1 (147955 digits)

 lsoule 2006-06-09 14:16

Another from the 2nd drive:
107*2^494896-1 (148981 digits)

 lsoule 2006-06-10 03:13

62984955*2^329820-1 (99294 digits)

 lsoule 2006-06-11 13:12

406033*2^551315-1 (165968 digits)

 amphoria 2006-06-12 19:38

902613855*2^247912-1 (74638 digits)

 VBCurtis 2006-06-13 03:56

My lucky week:
127 841793 (my biggest ever by a factor of 2 on n)
99 269809
99 275113

127 is complete to 850k, 99 complete to 300k.
-Curtis

Edit: Posts related to composite 127 841793 moved [URL="http://www.mersenneforum.org/showthread.php?t=6010"]here[/URL].

 amphoria 2006-06-13 07:23

834405*2^385633-1 (116094 digits)

 edorajh 2006-06-14 06:23

[B]555567045*2^397536-1[/B] (119680 digits)

:banana:

 VBCurtis 2006-06-14 18:03

99*2^305803-1.
The lucky week continues.
-Curtis

 amphoria 2006-06-14 19:10

3645*2^292274-1 (87987 digits)

 amphoria 2006-06-15 05:50

3645*2^289949-1 (87287 digits)
2595*2^289987-1 (87299 digits)

 amphoria 2006-06-16 16:51

3335*2^293574-1 (88379 digits)

 lsoule 2006-06-18 17:00

62984955*2^345254-1 (103940 digits)

 Kosmaj 2006-06-19 02:30

From the 2nd Drive :cool:

[B]179*2^507816-1 [/B](152871 digits)

 amphoria 2006-06-19 10:25

834405*2^389152-1 (117153 digits)

 lsoule 2006-06-20 03:14

From the first drive:
3467560635*2^387681-1 (116714 digits)

 Cruelty 2006-06-21 19:08

12345*2^317079-1 (95455 digits)

 amphoria 2006-06-24 11:43

902613855*2^299984-1 (90314 digits)

 Thomas11 2006-06-24 15:20

My first from the 2nd Drive:
[B]145*2^530181-1[/B] (159603 digits)

What a luck! :smile:

 amphoria 2006-06-25 15:54

62985*2^303891-1 (91486 digits)

 amphoria 2006-06-26 13:51

902613855*2^304565-1 (91693 digits)

 Kosmaj 2006-06-28 01:28

[U]Prime #50[/U] from the 2nd Drive :cool:

[B]175*2^529417-1 [/B]is prime! (159373 digits)

 Cruelty 2006-06-29 19:22

12345*2^366935-1 (110463 digits)

 Kosmaj 2006-06-29 21:54

From the k<300 subproject

[B]177*2^582454-1[/B] (175339 digits)

 amphoria 2006-07-03 17:29

902613855*2^319343-1 (96141 digits)

 amphoria 2006-07-03 17:45

3615*2^308168-1 (92772 digits)
62985*2^312439-1 (94059 digits)

 Thomas11 2006-07-05 08:13

Another one from the 2nd Drive:
[B]235*2^556077-1[/B] (167399 digits) :w00t:

 lsoule 2006-07-05 13:24

Another from the 2nd drive:
181*2^553989-1 (166770 digits)

 VBCurtis 2006-07-05 18:42

Excitement: 201 254039 is prime.
Disappointment: This had been found Aug 2005 by someone else not involved with 15k.
So it gets added to k<300 stats page, but not to our ownership of the top5000 list.
-Curtis

 Kosmaj 2006-07-05 22:00

Yeah, I missed that one, but it's just a book-keeping miss since on our list k=201 is marked as tested to n=250k. But it's still a disappointment for you, sorry about that. :sad: BTW, the person who found it is with the PrimeSearch project and he checked k=201 to n=260k.

The prime is now on the [URL="http://www.15k.org/riesellist.htm"]list[/URL], together with the latest primes from the 2nd Drive found by Thomas and Larry.

 amphoria 2006-07-07 15:32

Another from the 2nd drive:

229*2^560259-1 (168658 digits)

 amphoria 2006-07-11 20:28

902613855*2^338857-1 (102016 digits)

 amphoria 2006-07-12 05:51

3645*2^315974-1 (95122 digits)

 lsoule 2006-07-13 02:02

k=39 finally comes through! :banana:

39*2^747219-1 (224937 digits)

 Kosmaj 2006-07-13 02:36

A nice one Larry :w00t: Congrats!

And belatedly congrats to Dave on the first k=229 prime in the 2nd Drive :cool:

 lsoule 2006-07-13 13:06

22932195*2^754723-1 (227202 digits) :banana: :banana:

 Cruelty 2006-07-13 15:00

Congratulations lsoule! :smile:

 lsoule 2006-07-13 16:06

Thanks. Sometimes I wish these things weren't so random and would
spread themselves out a little more :geek:

 Kosmaj 2006-07-14 05:05

From the 2nd Drive :cool:

181*2^563997-1 (169783 digits)

 VBCurtis 2006-07-14 06:43

99 358891 is prime.

 amphoria 2006-07-14 16:46

58695*2^316326-1 (95229 digits)

 Cruelty 2006-07-17 08:54

1515*2^247878-1 (74622 digits)

BTW: At the moment this is #400 for RPS so congratulations to all participants! :banana: :banana: :banana: :banana:

 Kosmaj 2006-07-17 10:42

Nice!! But it was short-lived, [URL="http://primes.utm.edu/bios/page.php?id=819"]our Top-5000 page[/URL] says 399 (as of 1040 GMT on July 17), most likely because one of our primes was just about 5000th and now it's 5001st. We need one more! The next one for k=1515? :popcorn:

 Cruelty 2006-07-17 11:58

Yeah, I've noticed that 179*2236856-1 was at #4999 at a time I was reporting my prime, so I've added "At the moment..." to my post :smile:

 amphoria 2006-07-18 19:31

OK here is #400

902613855*2^350393-1 (105488 digits)

 lsoule 2006-07-18 20:08

The newer primes should stick around longer. Here are the average
number of digits for all primes reported by RPS in the last 9 months:

[CODE]
# of digs Month
132549 Jul-06
108521 Jun-06
120482 May-06
106144 Apr-06
104790 Mar-06
116031 Feb-06
94843 Jan-06
84009 Dec-05
77494 Nov-05[/CODE]

 amphoria 2006-07-21 11:41

834405*2^429946-1 (129433 digits)

 amphoria 2006-07-21 16:52

3135*2^317822-1 (95678 digits)

 amphoria 2006-07-25 18:27

58695*2^326719-1 (98357 digits)

 Kosmaj 2006-07-26 03:44

From the 2nd Drive :cool:

229*2^586795-1 (176646 digits)

 amphoria 2006-07-29 14:34

From the 2nd drive:

149*2^592968-1 (178504 digits)

 amphoria 2006-07-30 15:38

880923615*2^240744-1 (72481 digits)

3335*2^324362-1 (97647 digits)

 lsoule 2006-07-31 03:10

The first prime from the 4th drive?

271*2^274509-1 (82638 digits)

 Kosmaj 2006-07-31 06:00

One more from the 4th Drive :cool:

211*2^262877-1 (79137 digits)

 sjtjung 2006-08-01 18:29

Prime

103*2^422939-1 is prime. (127320 DIGITS)

Yay.. My first prime from 103..:banana:

-Steven:bounce:

 Kosmaj 2006-08-01 19:42

Steven, congrats on your first prime!! :cool: And a nice and large one. I'm glad I was wrong when I suggested you that it contains no primes.

But, you failed to include our project, RPS (Riesel Prime Search) in your proof-code L186:down: Now it can only be done by asking the editor of Top-5000, prof. Caldwell to do it. You can mail him by selecting "Mail Editor" from the web page of [URL="http://primes.utm.edu/bios/code.php?code=L186"]L186[/URL]. Thanks.

 lsoule 2006-08-02 01:26

Snuck this one in from the 1st drive:

67342275*2^395172-1 (118967 digits)

 Kosmaj 2006-08-02 02:07

Larry, nice prime! The 102nd in the First Drive.

Over here, ran into one more from the 4th Drive:
259*2^278567-1 (83860 digits)

 sjtjung 2006-08-02 17:06

Thank you Kosmaj for pointing out my error. I just emailed him and hope it got fixed.

-Steven

 Kosmaj 2006-08-02 22:22

Steven

 VBCurtis 2006-08-03 00:48

99 390373 is prime. 3 results in 300-400k range. Not bad!
-Curtis

 battlemaxx 2006-08-03 11:25

:banana: 65*2^647130-1 is prime! (194808 digits):banana:
[url]http://primes.utm.edu/primes/page.php?id=78230[/url] and currently ranked 354th!

 lsoule 2006-08-03 13:05

125*2^659314-1 (198476 digits)

 amphoria 2006-08-03 19:13

880923615*2^256789-1 (77311 digits)

 lsoule 2006-08-04 13:47

Another from the 4th drive
299*2^295640-1 (88999 digits)

 amphoria 2006-08-05 08:08

And another from the 4th drive:

259*2^316403-1 (95250 digits)

 amphoria 2006-08-07 16:32

880923615*2^268479-1 (80830 digits)

 lsoule 2006-08-07 20:55

The 4th drive strikes again :george:
271*2^322971-1 (97227 digits)

 lsoule 2006-08-08 01:04

265*2^323083-1 (97261 digits)

 Thomas11 2006-08-08 08:00

Almost 100,000 digits from the 4th drive:
215*2^331784-1 (99880 digits)

 amphoria 2006-08-08 17:11

And from the 4th drive:

271*2^342349-1 (103060 digits)

 Thomas11 2006-08-09 08:56

Another one from the 4th drive:

241*2^336197-1 (101208 digits)

 Kosmaj 2006-08-10 01:17

And one more :cool:

259*2^347159-1 (104508 digits)

 amphoria 2006-08-10 17:47

880923615*2^277389-1 (83512 digits)

 Kosmaj 2006-08-11 02:16

From the 4th Drive:

217*2^327829-1 (98689 digits)

 Cruelty 2006-08-11 05:27

12345*2^450486-1 (135614 digits)
12345*2^454194-1 (136731 digits)

 Kosmaj 2006-08-14 05:10

Found two of reasonable size, k<300 :george:

[B]73*2^783831-1 [/B](235959 digits)
[B]177*2^653686-1 [/B](196782 digits)

 Thomas11 2006-08-15 11:49

From the 4th drive:
217*2^377581-1 (113666 digits)

 amphoria 2006-08-15 17:49

From the 4th drive:

295*2^374035-1 (112599 digits)

 amphoria 2006-08-16 19:50

62985*2^341660-1 (102855 digits)

 Kosmaj 2006-08-17 03:46

k=177 strikes again! :w00t:

177*2^663601-1 (199767 digits)

 amphoria 2006-08-18 16:39

From the 4th drive:

295*2^389903-1 (117375 digits)

 Thomas11 2006-08-21 08:58

My lucky weekend (both from the 4th drive):

217*2^398605-1 (119995 digits)
275*2^398928-1 (120092 digits)

:banana: :george: :banana:

 amphoria 2006-08-21 17:15

3645*2^347584-1 (104637 digits)

 amphoria 2006-08-22 17:52

From the 4th drive:

241*2^407709-1 (122736 digits)

 Kosmaj 2006-08-23 05:39

Surprisingly, two more primes in succession from k=177 :shock: :w00t:

177*2^665874-1 (200451 digits)
177*2^668682-1 (201296 digits)

:banana:

 amphoria 2006-08-23 16:10

3645*2^348491-1 (104910 digits)

 VBCurtis 2006-08-23 19:40

Kosmaj hit the jackpot with 177 there!

201*2^285534-1 is prime.
Edit to add: So is 99*2^435301-1.
-Curtis

 battlemaxx 2006-08-24 13:54

:george: 205*2^420297-1 (126000 digits) :george:

 Thomas11 2006-08-25 08:45

And another one from the 4th drive:

259*2^423467-1 (127479 digits)

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