Reserved for MF - Sequence 3408 - Page 11

RichD · 2013-12-13, 02:40

Using B1=11000000, B2=35133391030, polynomial Dickson(12), sigma=131464569
Step 1 took 26024ms
Step 2 took 9105ms
********** Factor found in step 2: 398413318311513194323484487222582069590903
Found probable prime factor of 42 digits: 398413318311513194323484487222582069590903
Probable prime cofactor 914332613979071051490838614360427112207197925722146996639273688105220025369135909101272868081326035549029397651096001 has 117 digits

Jayder · 2013-12-13, 06:35

Nice!

Anybody done/doing any work on the C133?

RichD · 2013-12-13, 13:35

Quote:

Originally Posted by Jayder

Anybody done/doing any work on the C133?

No factor for:
5e9 -pm1
400 @ 3e6
4000 @ 11e6
50 @ 43e6

Ready for NFS if anybody wants it.

prgamma10 · 2013-12-14, 11:04

Quote:

Originally Posted by RichD

No factor for:
5e9 -pm1
400 @ 3e6
4000 @ 11e6
50 @ 43e6

Ready for NFS if anybody wants it.

I will run GNFS on this number.

prgamma10 · 2013-12-17, 01:54

Quote:

Originally Posted by prgamma10

I will run GNFS on this number.

c133 = p65 * p68.
Now a c144. (running t35...)

prgamma10 · 2013-12-17, 11:57

Starting 4000 curves at 3e7 (for the c148).

RichD · 2013-12-17, 17:33

900 @ 11e6 - no factor
(running to 2000)

RichD · 2013-12-17, 18:58

Quote:

Originally Posted by prgamma10

Starting 4000 curves at 3e7 (for the c148).

Mis-read this post as 3e6. I stopped after 1600 @ 11e6.
I'll run 100 @ 11e7 - just for grins.

RichD · 2013-12-17, 21:05

Quote:

Originally Posted by RichD

I'll run 100 @ 11e7 - just for grins.

nothing
and
-pm1 6e9 - nothing.

prgamma10 · 2013-12-21, 03:22

Quote:

Originally Posted by prgamma10

Starting 4000 curves at 3e7 (for the c148).

Done, no factor.

prgamma10 · 2013-12-24, 13:13

Anyone running GNFS for the c148?

2013-12-13, 06:35	#112
Jayder Dec 2012 2·139 Posts	Nice! Anybody done/doing any work on the C133? Last fiddled with by Jayder on 2013-12-13 at 06:35

2013-12-17, 11:57	#116
prgamma10 Jan 2013 109 Posts	Starting 4000 curves at 3e7 (for the c148). Last fiddled with by prgamma10 on 2013-12-17 at 12:10

2013-12-17, 17:33	#117
RichD Sep 2008 Kansas 2×1,619 Posts	c148 900 @ 11e6 - no factor (running to 2000)

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2013-12-13, 02:40	#111
RichD Sep 2008 Kansas 2×1,619 Posts	Using B1=11000000, B2=35133391030, polynomial Dickson(12), sigma=131464569 Step 1 took 26024ms Step 2 took 9105ms ********** Factor found in step 2: 398413318311513194323484487222582069590903 Found probable prime factor of 42 digits: 398413318311513194323484487222582069590903 Probable prime cofactor 914332613979071051490838614360427112207197925722146996639273688105220025369135909101272868081326035549029397651096001 has 117 digits

2013-12-24, 13:13	#121
prgamma10 Jan 2013 155₈ Posts	Anyone running GNFS for the c148?