mersenneforum.org  

Go Back   mersenneforum.org > Factoring Projects > Aliquot Sequences

Reply
 
Thread Tools
Old 2009-11-06, 14:38   #177
Greebley
 
Greebley's Avatar
 
May 2009
Dedham Massachusetts USA

3·281 Posts
Default

Done with 719880, 118 digits, 2^4. No driver but possible c113 next (passed some ecm)
Greebley is offline   Reply With Quote
Old 2009-11-06, 16:24   #178
Buzzo
 
Buzzo's Avatar
 
May 2008

3×37 Posts
Default

Quote:
Originally Posted by Mini-Geek View Post
I guess you didn't notice that it also has a factor of 7. So it's not the 2^2 downguide, it's the 2^2*7 perfect number driver. The extra (though quite unstable) factors of 3, 5, and 7 also make it grow much quicker than it otherwise would.
thank you, that makes sense.

717480 merges with earlier sequence 695722!
reserving 717720
Buzzo is offline   Reply With Quote
Old 2009-11-06, 17:13   #179
rodac
 
rodac's Avatar
 
Sep 2009

73 Posts
Default

Done with 720270, index 1594, 102 digits, driver 2^3 * 3 * 5
rodac is offline   Reply With Quote
Old 2009-11-07, 02:20   #180
Buzzo
 
Buzzo's Avatar
 
May 2008

3·37 Posts
Default

done with 717720
reserving 717912
Buzzo is offline   Reply With Quote
Old 2009-11-07, 09:37   #181
10metreh
 
10metreh's Avatar
 
Nov 2008

2·33·43 Posts
Default

Done with
Code:
715992 1235. 2^2 * 3 * 7 c98 sz 100
Taking 721280

Last fiddled with by 10metreh on 2009-11-07 at 09:44
10metreh is offline   Reply With Quote
Old 2009-11-07, 21:45   #182
Batalov
 
Batalov's Avatar
 
"Serge"
Mar 2008
Phi(4,2^7658614+1)/2

9,497 Posts
Default

Quote:
Originally Posted by Batalov View Post
Will take 720126 722708 723192 724626
Done
Batalov is offline   Reply With Quote
Old 2009-11-08, 03:29   #183
Buzzo
 
Buzzo's Avatar
 
May 2008

3×37 Posts
Default

done with 717912
reserving 718032
Buzzo is offline   Reply With Quote
Old 2009-11-08, 14:34   #184
Buzzo
 
Buzzo's Avatar
 
May 2008

3×37 Posts
Default

done with 718032
reserving 718152
Buzzo is offline   Reply With Quote
Old 2009-11-08, 22:51   #185
biwema
 
biwema's Avatar
 
Mar 2004

38110 Posts
Default

Reserving 722142, 722250, 722430, 722688, 722800, 722904
biwema is offline   Reply With Quote
Old 2009-11-09, 02:50   #186
Buzzo
 
Buzzo's Avatar
 
May 2008

6F16 Posts
Default

done with 718152
reserving 718284
Buzzo is offline   Reply With Quote
Old 2009-11-10, 05:18   #187
Buzzo
 
Buzzo's Avatar
 
May 2008

3×37 Posts
Default

done with 718284
reserving 718332
Buzzo is offline   Reply With Quote
Reply



Similar Threads
Thread Thread Starter Forum Replies Last Post
Subproject #9: 150k-200k sequences to 110 digits Mini-Geek Aliquot Sequences 151 2011-05-14 09:01
Subproject #7: 100k-150k sequences to 110 digits 10metreh Aliquot Sequences 185 2011-01-24 18:43
Subproject #6: 50k-100k sequences to 110 digits 10metreh Aliquot Sequences 203 2010-11-14 15:00
Subproject #4: 10k-50k sequences to 110 digits 10metreh Aliquot Sequences 345 2010-07-28 07:20
Subproject #5: 800k-900k sequences to 100 digits 10metreh Aliquot Sequences 431 2010-05-18 02:21

All times are UTC. The time now is 09:57.


Fri Aug 6 09:57:20 UTC 2021 up 14 days, 4:26, 1 user, load averages: 4.87, 4.47, 4.15

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, Jelsoft Enterprises Ltd.

This forum has received and complied with 0 (zero) government requests for information.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation.
A copy of the license is included in the FAQ.