XYYXF Project News

News and project updates which haven't been added to distributedcomputing.info yet.

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Postby Jwb52z » Tue Jan 26, 2010 9:17 pm

Wednesday, January 13th, 2010. A new ECM record, http://xyyxf.at.tut.by/records.html#ecm , of 57 digits, http://xyyxf.at.tut.by/records/p57_110_63.txt , was reported by yoyo@home, http://www.rechenkraft.net/yoyo/ . This powerful BOINC grid made a lot of ECM work for our project. Congrats to yoyo!
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Postby Jwb52z » Fri Apr 16, 2010 10:32 pm

Saturday, April 3rd, 2010. So far, GNFS, http://xyyxf.at.tut.by/records.html#gnfs , reached 163, http://xyyxf.at.tut.by/records/c163_142_104.txt , digits. It was, as usual, RSALS, http://boinc.unsads.com/rsals , sieving grid supported by Lionel Debroux and Jeff Gilchrist. Already five GNFS records, http://xyyxf.at.tut.by/records.html#gnfs , in less than four months...
Friday, February 26th, 2010. And yet another GNFS record, http://xyyxf.at.tut.by/records.html#gnfs , again by RSALS, http://boinc.unsads.com/rsals , two digits longer, http://xyyxf.at.tut.by/records/c160_133_109.txt .

Friday, February 19th, 2010. RSALS sieving grid, http://boinc.unsads.com/rsals , raised the GNFS record, http://xyyxf.at.tut.by/records.html#gnfs , to 158, http://xyyxf.at.tut.by/records/c158_136_107.txt , decimal digits. A true power.
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Postby Jwb52z » Thu May 20, 2010 6:19 pm

Thursday, April 22nd, 2010. A 62-digit, http://xyyxf.at.tut.by/records/p62_134_78.txt , factor of 13478 + 78134 was found with ECM, http://xyyxf.at.tut.by/records.html#ecm , by yoyo@home, http://www.rechenkraft.net/yoyo/ . An impressive, http://tech.groups.yahoo.com/group/xyyxf/message/2031 , record.
Wednesday, April 21st, 2010. The total number of the composites was reduced to 1700.
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Postby Jwb52z » Thu Jul 22, 2010 1:43 am

Wednesday, June 30th, 2010. All the numbers up to x = 105 inclusively had been completely factored.
Wednesday, June 9th, 2010. Göran Hemdal reported that three PRPs, 3782315 + 3153782, 3784315 + 3153784 and 37892932 + 29323789, were missing from the Primes, http://xyyxf.at.tut.by/primes.html#0 , page. Thanks to Göran for double-checking the computations!

Tuesday, June 8th, 2010. This time RSALS, http://boinc.unsads.com/rsals , beat an SNFS record, http://xyyxf.at.tut.by/records.html#snfs , completing the factorization of the 242-digit cofactor, http://xyyxf.at.tut.by/records/c242_125_86.txt , of 125^86 + 86^125. Just have no words.
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Postby Jwb52z » Thu Feb 24, 2011 11:19 pm

Friday, February 18th, 2011. A probable prime with more that 300k digits, 314738^9 + 9^314738, is found by Anatoly Selevich. Congratulations to him!
Saturday, November 13th, 2010. The total number of the composites was reduced to 1600.

Sunday, September 19th, 2010. MSieve 1.47, http://www.sourceforge.net/projects/msieve , was released, http://www.mersenneforum.org/showpost.php?p=230386 .
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Postby Jwb52z » Sat Jun 04, 2011 4:43 am

Monday, May 30th, 2011. All the composites passed ECM tests with B1 = 11M.
Monday, May 2nd, 2011. The ECM server, http://xyyxf.at.tut.by/news.html#ecms , retired from the work after nine years of activity. Great thanks to Greg Childers who maintained the server for such a long time.

Thursday, March 31st, 2011. The total number of the composites was reduced to 1500.
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