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Results so far. Here are the (up to) 10 largest factors (of at least 60 digits) found by ECM so far in 2024 (see also the all-times top-50 table, and the top ten from 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023):

digits factor from B1 sigma date who
73 4596214167496711495410441783119808656831827223231201015300636602840833431 143135+135143 2.9e9 0:16322621918041716322 19 Jan 2024 yoyo@home/Ch. Carquillat
73 3791445301685415529987056848995671569177319639478581336885978384465026971 10150+474741 1e8 1420106082 29 Mar 2024 T. Prest
73 1652299790728518566421127658218647033277202816595319514820021886960172077 22658+1 22e8 1:3181381038 16 Apr 2024 S. Wagstaff
72 929627442074193448101717553045350224940201718470443276606531700472416289 10639-1 2.9e9 A:236...463 07 Oct 2024 yoyo@home/Defrag
71 13467945740149895103554298000866322528938868428829502243454971167218287 31767+1 25e8 1:1617283088 10 Jun 2024 S. Wagstaff
68 37016911276630606260638841893117274682556135844772889917360642334207 21433-1 2.9e9 Edwards 1925343287229688 04 Sep 2024 R. Propper
68 21897398672203334389113642866350814506105455358655550314191801140307 21297+1 1.4e9 1:22859815 23 Jun 2024 S. Wagstaff
68 21175806993182078963328785147199068876807417150786314429739564514337 6548+1 1.4e9 1:3800894510 ?? ??? 2024 S. Wagstaff
66 655272450792468154743267587900185238299887152627702268532696062821 17181+10181 260000000 1:3761631745 16 May 2024 B. Silverman
66 273792660376775714940830007895263871899848267088332861675638996001 22918+1 1.2e9 1:2724891867 ?? ??? 2024 S. Wagstaff

ECMNET Newsletters: number 1 (13 Feb 1998), number 2 (15 Mar 1998), number 3 (17 Apr 1998), number 4 (15 May 1998), number 5 (18 June 1998), number 6 (15 July 1998), number 7 (17 August 1998), number 8 (17 September 1998), number 9 (16 October 1998), number 10 (23 November 1998), number 11 (17 December 1998), number 12 (19 April 1999), number 13 (16 December 1999).


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