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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 2022 (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):

digits factor from B1 sigma date who
70 7660395383708237627973789216434577857253936548886784731800803873631881 10890+1 2.2e9 1:532322200 27 May 2022 S. Wagstaff
70 6814487208577323071438202513155793805420151869631181800905675310441021 A(3408,1695) 850e6 1:3763489332 04 Jan 2022 R. Propper
70 2396647352628340730333265310821035979852802473169960235597808820903739 128131+131128 850e6 1:2738913657 12 Jun 2022 R. Propper
69 963068464539673160758804110401004374293008876561574715965035148628171 21355+1 2.2e9 1:2613883832 05 Jan 2022 S. Wagstaff
68 11049472518829398309238111415884454976276865718404907291660218355009 79149+14979 850e6 1:4230569789 27 Jun 2022 R. Propper
68 11002128577256198263629900314319307993519120098033113611440484513457 7419-1 1.8e9 1:3960675196 01 Jan 2022 S. Wagstaff
67 1087385244050074655597234616128393756996508608776071176982863428589 11283+5283 2.6e8 1:1537217094 13 Mar 2022 R. Propper
67 1025597577713768120437566600643475064496172745752879129428699717961 5397-4397 2.6e8 1:3197976677 12 Mar 2022 R. Propper
66 566988876823193134325875141524437774201412303928115105561778328153 9323-2323 2.6e8 1:4293012994 12 Mar 2022 R. Propper
66 181127421833165968817003539806268089371454497377250172597332335729 5548+1 2.2e9 1:3763403667 06 Jan 2022 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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