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-   -   Reserved for MF - Sequence 4788 (https://www.mersenneforum.org/showthread.php?t=11615)

Syd 2011-04-02 07:58

Thanks jrk, I got your relations. We´re at 29M distinct relations now

[CODE]begin with 29619082 relations and 38431937 unique ideals
reduce to 488 relations and 0 ideals in 12 passes
[/CODE]

@FactorEyes, you´re right, we need more relations. 11M maybe wont be enough ..

Syd 2011-04-04 00:00

Thank you FactorEyes, I got your relations :smile:

Factors arrive in ~21h

jrk 2011-04-04 00:53

Guess I could have thrown in more relations, afterall. But it looked like you were going to get done sieving a lot sooner than you did... Oh, well. There'll be another composite coming soon. :)

Syd 2011-04-04 21:54

1 Attachment(s)
Factors are ready :fusion:

prp66 factor: 428931155881955116083103771288963128138031521769760366163115983917
prp90 factor: 931319634071926607558119926769104554659737294371669767724664482110710631610543648637408973

jrk 2011-04-04 22:24

Horray!

doing ECM and poly selection on the c134. I'll post a poly in a few hours if a factor doesn't turn up in the meantime.

jrk 2011-04-05 04:31

[code]n: 19347995095672611889944250376465353359153240998744538375709596143198216072953367694687589315797758026329120270422709487108452560132117
# norm 7.914082e-13 alpha -7.687665 e 5.184e-11 rroots 5
skew: 270699.66
c0: 463501699664633243950253330192325
c1: 5963497698399041251063417160
c2: -15191172973021901870581
c3: -243207904792817100
c4: 411349522388
c5: 656208
Y0: -31182921224954022584385932
Y1: 1198146825513409
type: gnfs
rlim: 6400000
alim: 6400000
lpbr: 28
lpba: 28
mfbr: 56
mfba: 56
rlambda: 2.5
alambda: 2.5
[/code]

frmky 2011-04-05 19:30

A C105 now...

jrk 2011-04-06 01:13

Anybody doing the c116 yet? I'll GNFS it tonight if nobody else claims it.

jrk 2011-04-10 03:41

I suppose it will be a team sieve if anyone's interested, but it needs a t55 ECM effort first.

bchaffin 2011-05-17 18:27

Update: the c166 at term 2661 fell, with a 61/106 split. A total of 6 terms added, now with a c122 which shouldn't take long.

And the downdriver lives on!

frmky 2011-05-18 00:45

ECM cracked it in short order. Now on a C151 on line 2668.


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