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-   -   Riesel Primes k*2^n-1, k<300 [Part II] (https://www.mersenneforum.org/showthread.php?t=8621)

em99010pepe 2009-07-30 21:19

I'm willing to help you sieving. When you're done just send me a PM.

Cruelty 2009-07-31 07:16

I will add k=201 from n=1.2M @ p=2T.

Cruelty 2009-07-31 11:56

Status report
 
k=25 tested till n=2.21M
k=43 sieving
k=59 tested till n=3.11M :furious:
k=101 tested till n=2.02M
k=151 tested till n=2.02M
k=233 tested till n=1.28M
k=283 tested till n=1.28M
k=299 tested till n=1.28M

I am still working on those.

em99010pepe 2009-08-04 07:59

Cruelty,

I few years ago I asked Bliss help for sieving k=223 from 2M to 3M but I only have the factors from 6.26T to 100T. Do you want them? I only ask people if they find a prime to share at least one with him.

Carlos

Cruelty 2009-08-04 13:26

Carlos,
Please send it to me (I'll PM you my e-mail address). I'll sieve the missing part below 6.26T and hopefully find a prime to share it with Bliss :smile:

em99010pepe 2009-08-04 13:28

[quote=Cruelty;184010]Carlos,
Please send it to me (I'll PM you my e-mail address). I'll sieve the missing part below 6.26T and hopefully find a prime to share it with Bliss :smile:[/quote]

Sent. Enjoy.

Kosmaj 2009-08-09 02:32

Recent Progress
 
k=7 at 2.3M

k=21 at 1185k (including 1140-1181 completed by pb), a new prime found last week at n=1182083 :smile:

k=35 at 1720k (including 1550-1715 completed before with help from Beyond and Cruelty)

k=79 at 1060k

Releasing k=177 at 1280k

Taking k=139 from 800k

em99010pepe 2009-08-11 01:00

[quote=Cruelty;183403]Reserving the following k:[LIST][*]from n=1.7M: 51, 57, 61, 65, 87[/LIST][/quote]

From [URL="http://www.15k.org/riesellist.html"]here[/URL] 51, 57, 65 and 87 are only done to 1M. Why aren't you starting the sieve from 1M?
Thanks in advance.

amphoria 2009-08-11 05:42

[QUOTE=em99010pepe;184891]From [URL="http://www.15k.org/riesellist.html"]here[/URL] 51, 57, 65 and 87 are only done to 1M. Why aren't you starting the sieve from 1M?
Thanks in advance.[/QUOTE]

They have been fully tested to 1M. They have been sieved to 1.7M and partially tested already.

Cruelty 2009-08-11 14:13

[QUOTE=amphoria;184922]They have been fully tested to 1M. They have been sieved to 1.7M and partially tested already.[/QUOTE] Yep, that's what I was told :smile:

MooooMoo 2009-08-27 23:49

1 Attachment(s)
k=173 is complete to n=1017K, and k=263 is complete to n=941K. No primes were found for either k, and I'm releasing them. The results are attached below.


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