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 Showing results 1 to 25 of 1000 Search took 0.44 seconds. Search: Posts Made By: gd_barnes
 Forum: Aliquot Sequences 2022-08-16, 12:14 Replies: 712 Views: 30,717 Posted By gd_barnes I did my usual thing on all 3 after I saw his... I did my usual thing on all 3 after I saw his post. 57^99 advanced one more iteration after his effort. It scores pretty well but there are others still that are better so I won't mess with it for...
 Forum: Aliquot Sequences 2022-08-16, 09:30 Replies: 712 Views: 30,717 Posted By gd_barnes 120^88 terminates 120^88 terminates
 Forum: Aliquot Sequences 2022-08-16, 07:48 Replies: 712 Views: 30,717 Posted By gd_barnes To give us a better idea of how far we've come,... To give us a better idea of how far we've come, below is a list of bases that have had all of their same-parity sequences terminated. 2 3 5 6 7 10 11 12
 Forum: Aliquot Sequences 2022-08-16, 00:53 Replies: 712 Views: 30,717 Posted By gd_barnes I added the < 150 digits current size list to my... I added the < 150 digits current size list to my last post. I forgot the most obvious one. Any place in my last few posts where I said opposite-parity, I meant same-parity. Also, the final...
 Forum: Aliquot Sequences 2022-08-16, 00:04 Replies: 712 Views: 30,717 Posted By gd_barnes Here are updated lists of same-parity sequences... Here are updated lists of same-parity sequences with current size < 150 digits, no known factor, and large smallest factor. There are some new sequences from the last lists since they now include...
 Forum: Aliquot Sequences 2022-08-15, 23:41 Replies: 712 Views: 30,717 Posted By gd_barnes Here are updated lists of bases with 1-2... Here are updated lists of bases with 1-2 same-parity sequences remaining as of this post. Most are ECM'd to t35. Some may be ECM'd to t40. Bases with 1 remaining: 47^99: 161/126/3 277^69:...
 Forum: Aliquot Sequences 2022-08-15, 23:25 Replies: 712 Views: 30,717 Posted By gd_barnes 137^85 and 179^81 terminate I have expanded... 137^85 and 179^81 terminate I have expanded my search area up to a starting size (index=0) of 185 digits from 180 digits. This means that all same-parity sequences starting at <= 185 digits have...
 Forum: Aliquot Sequences 2022-08-15, 14:39 Replies: 712 Views: 30,717 Posted By gd_barnes 510510^28 terminates Base 510510 has 1... 510510^28 terminates Base 510510 has 1 sequence remaining. That's a lot of patience. Good luck!
 Forum: Aliquot Sequences 2022-08-15, 13:50 Replies: 712 Views: 30,717 Posted By gd_barnes Later today I'll post some updated lists. If... Later today I'll post some updated lists. If you don't see anything reasonable on your updated 1/2 remaining lists, you could refer back to the last current size < 150 list or the largest small...
 Forum: Aliquot Sequences 2022-08-15, 11:27 Replies: 712 Views: 30,717 Posted By gd_barnes 47^95 and 89^93 terminate I'm working on... 47^95 and 89^93 terminate I'm working on 510510^28. Base 47 now has 2 sequences remaining. But this is a strange one. One of the remaining is 47^97. It merges with 1134 of the main project. ...
 Forum: Aliquot Sequences 2022-08-14, 22:30 Replies: 712 Views: 30,717 Posted By gd_barnes 42^100 and 113^89 terminate Base 42 is... 42^100 and 113^89 terminate Base 42 is complete. 75^87 and 1210^50 terminate Base 1210 now has 2 remaining. Thank you to Ed for the last two. :-)
 Forum: No Prime Left Behind 2022-08-14, 21:39 Replies: 1,661 Views: 254,443 Posted By gd_barnes 825*2^1785134-1 is prime 825*2^1785134-1 is prime
 Forum: Aliquot Sequences 2022-08-14, 09:53 Replies: 712 Views: 30,717 Posted By gd_barnes I'm done with 14316^38. I'm now working on... I'm done with 14316^38. I'm now working on 42^100 and 113^89 until termination. Ed, I ran my own counts on sequences remaining by base in my spreadsheet to make sure I was up to date. I...
 Forum: Aliquot Sequences 2022-08-14, 04:48 Replies: 712 Views: 30,717 Posted By gd_barnes Here is a list of current same-parity sequences... Here is a list of current same-parity sequences with current size < 150 digits as of this post: 510510^28: 145/143/109 75^87: 145/145/large 113^89*: 147/140/9054401 75^93: 147/143/11 271^65:...
 Forum: Aliquot Sequences 2022-08-14, 03:50 Replies: 712 Views: 30,717 Posted By gd_barnes 42^98, 281^67, and 338^63 terminate Base 42... 42^98, 281^67, and 338^63 terminate Base 42 has 1 sequence remaining. Base 281 is complete! Base 338 has 2 sequences remaining. There are only 9 same-parity sequences with current size <...
 Forum: Conjectures 'R Us 2022-08-13, 22:28 Replies: 682 Sticky: Sieving for CRUS Views: 86,508 Posted By gd_barnes The n=100K-300K range has been fairly popular... The n=100K-300K range has been fairly popular with the SRBase/BOINC people. This range was completed as part of our goals this year for bases up to 13 k's remaining. They have gone on to complete...
 Forum: Conjectures 'R Us 2022-08-13, 10:46 Replies: 118 Views: 43,320 Posted By gd_barnes 8*432^n-1 searched to n=300K; no prime. 8*432^n-1 searched to n=300K; no prime.
 Forum: Aliquot Sequences 2022-08-13, 10:11 Replies: 712 Views: 30,717 Posted By gd_barnes I added an iteration to 281^67. It's now at... I added an iteration to 281^67. It's now at 156/135/3 full ECM. I'm done with it. It is the only sequence remaining for base 281. I will do some work on 14316^38 and 338^63.
 Forum: Aliquot Sequences 2022-08-13, 07:23 Replies: 712 Views: 30,717 Posted By gd_barnes 281^69 terminates 281^69 terminates
 Forum: Aliquot Sequences 2022-08-13, 06:44 Replies: 712 Views: 30,717 Posted By gd_barnes Great to have the help from Mike (Curtis)! ... Great to have the help from Mike (Curtis)! That's a good list for him, Ed. If any same-parity sequence has a STARTING size of <= 180 digits (at index=0), it has been ECM'd to t35 unless someone...
 Forum: Aliquot Sequences 2022-08-12, 12:22 Replies: 712 Views: 30,717 Posted By gd_barnes Edited the last post for a 5th base completion in... Edited the last post for a 5th base completion in 24 hours. Signing off now. :-)
 Forum: Aliquot Sequences 2022-08-12, 11:54 Replies: 712 Views: 30,717 Posted By gd_barnes 59^95, 263^69, 1152^52, and 14536^38 terminate ... 59^95, 263^69, 1152^52, and 14536^38 terminate Thank you, Ed, for the great reductions! This completes bases 59, 263, and 14536!! :smile: Including earlier bases 293 and 306, that completes...
 Forum: Aliquot Sequences 2022-08-12, 05:49 Replies: 712 Views: 30,717 Posted By gd_barnes 28^112 and 277^63 terminate 293^65... 28^112 and 277^63 terminate 293^65 terminated by Ed. That completes base 293! Pretty good for a base that was just recently initialized. :smile: I've been taking on some tougher tasks...
 Forum: Aliquot Sequences 2022-08-11, 21:11 Replies: 712 Views: 30,717 Posted By gd_barnes 392^61 terminates 392^61 terminates
 Forum: Aliquot Sequences 2022-08-11, 14:02 Replies: 712 Views: 30,717 Posted By gd_barnes 306^64 terminates. That completes base 306! ... 306^64 terminates. That completes base 306! Nice work, Ed, to bring that one down. I just realized this. The 59^93 that I just terminated brought base 59 down to only 59^95 remaining. It's...
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