Post status updates here - Page 38

Greebley · 2009-09-13, 14:40

At 115 digits, 507924 hit the down driver. It had been without even a strong guide since 104 digits when it lost 2^3*3.

gd_barnes · 2009-09-14, 02:55

I am now done with 13524. Status:

13524; i=1052; sz 105; C104; +70; 2*3

Greebley · 2009-09-14, 14:19

For 533766, I hadn't realized it was still running - it is now at 119 digits, with 2*3 driver.
Similarly 527640 is up to 121 digits. It has no driver with 2^5*3, but has a c119 that got past the ecm checks (added these) and was starting ggnfs.

I was away from this computer for a while as I was sick last week. Both series have an extra week of work on them - I sort of wish I had left more useful ones running...

gd_barnes · 2009-09-14, 23:44

I am now done with 392430. This is the first LONG sequence that I worked on. Status:

392430; i=5404; sz 109; C102; +654; 2^4

This one may be interesting to people. On the last index, I finally got rid of a long-running factor of 5 so it now only has a small factor of 2^4.

It is now the 13th longest sequence < 100M per the D.B. list.

unconnected · 2009-09-15, 22:16

19248: i=2218, size 128, 2^2*3^2*7 driver

gd_barnes · 2009-09-16, 03:06

I am now done with 763476. Status:

763476; i=3657; sz 106; C101; +76; 2^3*3*5

There's nothing interesting about this one. After being wild for over 3400 indexes without ever getting over 55 digits, it shot up 26 digits in just the 76 indexes that I worked on it.

unconnected · 2009-09-19, 08:49

39360: i=1034, size 132, 2^3*3 driver

gd_barnes · 2009-09-20, 05:58

I am now done with 750372. Status:

750372; i=4540; sz 105; C104; +141; 2^2*7

gd_barnes · 2009-09-21, 01:30

I am now done with 842592. Status:

842592; i=6493; sz 109; C106; +2396; 2^3*3

Having advanced it ~2400 indexes, it's the farthest I've advanced one. It is now the 7th longest sequence < 100M per the DB list, just 39 indexes behind 6th place. It also has been searched to a lower height than the top 6, which have all been searched to a size of > 120.

Someone may be interested in taking this one up to a size of 130 or 140 to see if it can be moved into the top 5 for length (148 more indexes needed). It would help if we could get rid of the factor of 3, which pushed it up 13 digits in the last 53 indexes. The factor of 3 has been a relatively uncommon occurrence in this sequence for several 1000 indexes until more recently.

unconnected · 2009-09-21, 01:51

I'll continue with 842592.

gd_barnes · 2009-09-21, 06:05

I advanced 425052 a few indexes but am not reserving it. Status:

425052; i=832; sz 88; C78; +26; 2^4*31

I picked up and dropped various powers of 3 during that small amount of testing. Since 2^4*31 is perfect, it will be a challenge to get rid of.

This came about as I was playing around with the primoral sequences. Sequence 17# (510510) merges with 425052. For fun, I'm advancing 19# and 23# a little bit also, which are at ~70 digits.

Gary

2009-09-14, 14:19	#410
Greebley May 2009 Dedham Massachusetts USA 34B₁₆ Posts	For 533766, I hadn't realized it was still running - it is now at 119 digits, with 23 driver. Similarly 527640 is up to 121 digits. It has no driver with 2^53, but has a c119 that got past the ecm checks (added these) and was starting ggnfs. I was away from this computer for a while as I was sick last week. Both series have an extra week of work on them - I sort of wish I had left more useful ones running... Last fiddled with by Greebley on 2009-09-14 at 14:20

2009-09-16, 03:06	#413
gd_barnes May 2007 Kansas; USA 10413₁₀ Posts	I am now done with 763476. Status: 763476; i=3657; sz 106; C101; +76; 2^335 There's nothing interesting about this one. After being wild for over 3400 indexes without ever getting over 55 digits, it shot up 26 digits in just the 76 indexes that I worked on it. Last fiddled with by gd_barnes on 2009-09-16 at 03:07

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2009-09-13, 14:40	#408
Greebley May 2009 Dedham Massachusetts USA 3×281 Posts	At 115 digits, 507924 hit the down driver. It had been without even a strong guide since 104 digits when it lost 2^3*3.

2009-09-14, 02:55	#409
gd_barnes May 2007 Kansas; USA 3²·13·89 Posts	I am now done with 13524. Status: 13524; i=1052; sz 105; C104; +70; 2*3

2009-09-14, 23:44	#411
gd_barnes May 2007 Kansas; USA 3²×13×89 Posts	I am now done with 392430. This is the first LONG sequence that I worked on. Status: 392430; i=5404; sz 109; C102; +654; 2^4 This one may be interesting to people. On the last index, I finally got rid of a long-running factor of 5 so it now only has a small factor of 2^4. It is now the 13th longest sequence < 100M per the D.B. list.

2009-09-15, 22:16	#412
unconnected May 2009 Russia, Moscow 5041₈ Posts	19248: i=2218, size 128, 2^23^27 driver

2009-09-19, 08:49	#414
unconnected May 2009 Russia, Moscow 2,593 Posts	39360: i=1034, size 132, 2^3*3 driver

2009-09-20, 05:58	#415
gd_barnes May 2007 Kansas; USA 3²·13·89 Posts	I am now done with 750372. Status: 750372; i=4540; sz 105; C104; +141; 2^2*7

2009-09-21, 01:30	#416
gd_barnes May 2007 Kansas; USA 3²·13·89 Posts	I am now done with 842592. Status: 842592; i=6493; sz 109; C106; +2396; 2^3*3 Having advanced it ~2400 indexes, it's the farthest I've advanced one. It is now the 7th longest sequence < 100M per the DB list, just 39 indexes behind 6th place. It also has been searched to a lower height than the top 6, which have all been searched to a size of > 120. Someone may be interested in taking this one up to a size of 130 or 140 to see if it can be moved into the top 5 for length (148 more indexes needed). It would help if we could get rid of the factor of 3, which pushed it up 13 digits in the last 53 indexes. The factor of 3 has been a relatively uncommon occurrence in this sequence for several 1000 indexes until more recently.

2009-09-21, 01:51	#417
unconnected May 2009 Russia, Moscow 2,593 Posts	I'll continue with 842592.

2009-09-21, 06:05	#418
gd_barnes May 2007 Kansas; USA 3²·13·89 Posts	I advanced 425052 a few indexes but am not reserving it. Status: 425052; i=832; sz 88; C78; +26; 2^431 I picked up and dropped various powers of 3 during that small amount of testing. Since 2^431 is perfect, it will be a challenge to get rid of. This came about as I was playing around with the primoral sequences. Sequence 17# (510510) merges with 425052. For fun, I'm advancing 19# and 23# a little bit also, which are at ~70 digits. Gary