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Results so far. Here are the (up to) 10 largest factors found by ECM so far this year (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):

digits factor from B1 sigma date who
7089956245979576891870767653151943497233481122467428881987028848898312235421+1400e6295859895101 Jan 2014B. Dodson
692552909721722987531589356786418566182996052924620287429591242595788713617+12.9e9314247318029 Apr 2014R. Propper
681995590432765610622283470807591438504778985044855385007443907352030311449-11e1071323803611 Jun 2014R. Propper
6728943393314734921448111136045077838594568518885822193299412211243013850+19e8297053134824 Jun 2014S. Wagstaff
652675749552526245285841297272472892715746906195672425304537219370710999+132.9e9396335572840656405 Oct 2014D. Harrison
6520405858262551036238097198927251201795324405825413199508017546361101110-1260e6274445640610 Feb 2014K. Beschorner
64256644700392291873825174924458695104937999716585362115245621070121978+1400e6418994349812 Apr 2014B. Dodson
635072163284367807336481945929050056736931906576272181431709025073653-1400e678030307009 Aug 2014B. Dodson
63463658252116829814235834750235918132376801110036784939307144759951*2951-126e7398230617317 Aug 2014yoyo@home/eratte
63143883882550659747771679449620463849666392930700144639494059117A(9462,1552)110e630653427604 Apr 2014Ch. Clavier

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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