Subproject #5: 800k-900k sequences to 100 digits - Page 16

EdH · 2010-02-20, 03:15

818148 is finished: size 105, i1067, 2² * 3² * 7² * 89 * 127 * 306496796267 * c86

EdH · 2010-02-20, 04:07

reserving 817248 and 819456

fivemack · 2010-02-20, 10:27

Last two 890k sequences (one in 890-895 and one in 895-900) finished this morning.

79 sequences, of which 1 termination and 78 at 100 digits.

I stopped at exactly C100, so some of these may be easier than others to take forward.

Greebley · 2010-02-20, 13:11

Done with 816822, 102 Digits, 2^2*7

EdH · 2010-02-20, 14:13

819456 is finished: size 100, i1077, 2² * 3 * 7 * 119039 * c93

reserving 818616 and 818748

I'm running several single core machines and am trying to bring some older "anchient?" ones on line to play with. Should I direct my efforts toward some other area? Some of these sequences do complete overnight on my 24/7 machine.

One is 2.4G; the rest <2G

RichD · 2010-02-20, 18:49

reserving 818048

10metreh · 2010-02-20, 18:54

As I said a few posts ago, this subproject is fine even for lone P4s: we're not in too much of a hurry and we don't really mind about one sequence not getting completed for ages. Memory doesn't become an issue below 100 digits even with only 256MB.
Is G gigahertz or gigabytes? Assuming gigahertz, I'm not too sure how long it takes to bring a sequence to 100 digits on a P3, but this subproject is fine for slow but not too slow computers such as the earlier P4s. That's one of the good things about this project.

unconnected · 2010-02-20, 20:32

Reserving 824928, 824600, 822246, 820740, 820590.

Batalov · 2010-02-20, 21:31

Reserving
821232 (c82) 781 . 453614631.. = 2^2 * 3 * 79
821640 (c80) 853 . 140984070.. = 2^2 * 3 * 23 * 421 * 1999
823620 (c83) 490 . 344445850.. = 2^4 * 3 * 937

RichD · 2010-02-20, 23:07

818048 is done size 100; 2^2 * 3 * 7 * <small_primes> * c81

reserving 817986

RichD · 2010-02-21, 04:01

817986 is done, size 102; 2^4 * 3^3 * 5 * 31 * 61 * c96

reserving 817542

2010-02-20, 04:07	#167
EdH "Ed Hall" Dec 2009 Adirondack Mtns EFE₁₆ Posts	reserving 817248 and 819456 Last fiddled with by EdH on 2010-02-20 at 04:21

2010-02-20, 14:13	#170
EdH "Ed Hall" Dec 2009 Adirondack Mtns 111011111110₂ Posts	819456 is finished: size 100, i1077, 2² * 3 * 7 * 119039 * c93 reserving 818616 and 818748 I'm running several single core machines and am trying to bring some older "anchient?" ones on line to play with. Should I direct my efforts toward some other area? Some of these sequences do complete overnight on my 24/7 machine. One is 2.4G; the rest <2G Last fiddled with by EdH on 2010-02-20 at 14:15 Reason: accuracy...

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2010-02-20, 03:15	#166
EdH "Ed Hall" Dec 2009 Adirondack Mtns 2·19·101 Posts	818148 is finished: size 105, i1067, 2² * 3² * 7² * 89 * 127 * 306496796267 * c86

2010-02-20, 10:27	#168
fivemack (loop (#_fork)) Feb 2006 Cambridge, England 2³·11·73 Posts	Last two 890k sequences (one in 890-895 and one in 895-900) finished this morning. 79 sequences, of which 1 termination and 78 at 100 digits. I stopped at exactly C100, so some of these may be easier than others to take forward.

2010-02-20, 13:11	#169
Greebley May 2009 Dedham Massachusetts USA 3·281 Posts	Done with 816822, 102 Digits, 2^2*7

2010-02-20, 18:49	#171
RichD Sep 2008 Kansas 3,389 Posts	reserving 818048

2010-02-20, 18:54	#172
10metreh Nov 2008 2322₁₀ Posts	As I said a few posts ago, this subproject is fine even for lone P4s: we're not in too much of a hurry and we don't really mind about one sequence not getting completed for ages. Memory doesn't become an issue below 100 digits even with only 256MB. Is G gigahertz or gigabytes? Assuming gigahertz, I'm not too sure how long it takes to bring a sequence to 100 digits on a P3, but this subproject is fine for slow but not too slow computers such as the earlier P4s. That's one of the good things about this project.

2010-02-20, 20:32	#173
unconnected May 2009 Russia, Moscow 2,593 Posts	Reserving 824928, 824600, 822246, 820740, 820590.

2010-02-20, 21:31	#174
Batalov "Serge" Mar 2008 Phi(4,2^7658614+1)/2 9,497 Posts	Reserving 821232 (c82) 781 . 453614631.. = 2^2 * 3 * 79 821640 (c80) 853 . 140984070.. = 2^2 * 3 * 23 * 421 * 1999 823620 (c83) 490 . 344445850.. = 2^4 * 3 * 937

2010-02-20, 23:07	#175
RichD Sep 2008 Kansas 3,389 Posts	818048 is done size 100; 2^2 * 3 * 7 * <small_primes> * c81 reserving 817986

2010-02-21, 04:01	#176
RichD Sep 2008 Kansas 3,389 Posts	817986 is done, size 102; 2^4 * 3^3 * 5 * 31 * 61 * c96 reserving 817542